diff --git a/Code/Three20/RKRequestTTModel.m b/Code/Three20/RKRequestTTModel.m
index de467af6..844d40d9 100644
--- a/Code/Three20/RKRequestTTModel.m
+++ b/Code/Three20/RKRequestTTModel.m
@@ -10,6 +10,7 @@
 #import "RKManagedObjectStore.h"
 #import "../Network/Network.h"
 
+
 static NSTimeInterval defaultRefreshRate = NSTimeIntervalSince1970;
 static NSString* const kDefaultLoadedTimeKey = @"RKRequestTTModelDefaultLoadedTimeKey";
 
@@ -48,7 +49,7 @@ static NSString* const kDefaultLoadedTimeKey = @"RKRequestTTModelDefaultLoadedTi
 }
 
 + (void)setDefaultRefreshRate:(NSTimeInterval)newDefaultRefreshRate {
-	defaultRefreshRate = defaultRefreshRate;
+	defaultRefreshRate = newDefaultRefreshRate;
 }
 
 - (id)initWithResourcePath:(NSString*)resourcePath {
@@ -133,7 +134,8 @@ static NSString* const kDefaultLoadedTimeKey = @"RKRequestTTModelDefaultLoadedTi
 }
 
 - (BOOL)isOutdated {
-	return (![self isLoading] && (-[self.loadedTime timeIntervalSinceNow] > _refreshRate));
+	NSTimeInterval sinceNow = [self.loadedTime timeIntervalSinceNow];
+	return (![self isLoading] && (-sinceNow > _refreshRate));
 }
 
 - (void)cancel {
@@ -240,7 +242,7 @@ static NSString* const kDefaultLoadedTimeKey = @"RKRequestTTModelDefaultLoadedTi
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 // public
 
-- (void)load {		
+- (void)load {
 	RKManagedObjectStore* store = [RKObjectManager sharedManager].objectStore;
 	NSArray* cacheFetchRequests = nil;
 	NSArray* cachedObjects = nil;
diff --git a/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBAuthenticatedTableViewController.h b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBAuthenticatedTableViewController.h
new file mode 100644
index 00000000..b84e0a88
--- /dev/null
+++ b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBAuthenticatedTableViewController.h
@@ -0,0 +1,17 @@
+//
+//  DBAuthenticatedTableViewController.h
+//  DiscussionBoard
+//
+//  Created by Jeremy Ellison on 1/10/11.
+//  Copyright 2011 __MyCompanyName__. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import <Three20/Three20.h>
+
+@interface DBAuthenticatedTableViewController : TTTableViewController {
+	BOOL _requiresLoggedInUser;
+	NSNumber* _requiredUserID;
+}
+
+@end
diff --git a/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBAuthenticatedTableViewController.m b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBAuthenticatedTableViewController.m
new file mode 100644
index 00000000..1aed44c3
--- /dev/null
+++ b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBAuthenticatedTableViewController.m
@@ -0,0 +1,59 @@
+//
+//  DBAuthenticatedTableViewController.m
+//  DiscussionBoard
+//
+//  Created by Jeremy Ellison on 1/10/11.
+//  Copyright 2011 __MyCompanyName__. All rights reserved.
+//
+
+#import "DBAuthenticatedTableViewController.h"
+#import "DBUser.h"
+
+@implementation DBAuthenticatedTableViewController
+
+- (void)viewDidUnload {
+	[[NSNotificationCenter defaultCenter] removeObserver:self name:kUserLoggedInNotificationName object:nil];
+	[[NSNotificationCenter defaultCenter] removeObserver:self name:kLoginCanceledNotificationName object:nil];
+}
+
+- (void)loadView {
+	[super loadView];
+	
+	// Check if we are authenticated. If not, pop in login view controller.
+	if (_requiresLoggedInUser) {
+		BOOL isAuthenticated = NO;
+		if (_requiredUserID &&
+			[DBUser currentUser].singleAccessToken && 
+			// Put current user id first because it might be nil.
+			[[DBUser currentUser].userID isEqualToNumber:_requiredUserID]) {
+			isAuthenticated = YES;
+		} else if (_requiredUserID == nil &&
+				   [DBUser currentUser].singleAccessToken &&
+				   [DBUser currentUser] != nil) {
+			isAuthenticated = YES;
+		}
+		if (!isAuthenticated) {
+			// Register for login succeeded notification. populate view.
+			[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(userDidLogin:) name:kUserLoggedInNotificationName object:nil];
+			// Register for login canceled notification. pop view controller.
+			[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(loginCanceled:) name:kLoginCanceledNotificationName object:nil];
+			TTOpenURL(@"db://login");
+		}
+	}
+}
+
+- (void)userDidLogin:(NSNotification*)note {
+	// check user id is allowed.
+	if (_requiredUserID && [[DBUser currentUser].userID isEqualToNumber:_requiredUserID]) {
+		[self invalidateModel];
+	} else {
+		[self.navigationController popViewControllerAnimated:YES];
+	}
+}
+
+- (void)loginCanceled:(NSNotification*)note {
+	[self.navigationController popViewControllerAnimated:YES];
+}
+
+
+@end
diff --git a/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBLoginViewController.h b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBLoginViewController.h
new file mode 100644
index 00000000..3ca5722e
--- /dev/null
+++ b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBLoginViewController.h
@@ -0,0 +1,23 @@
+//
+//  DBLoginViewController.h
+//  DiscussionBoard
+//
+//  Created by Jeremy Ellison on 1/10/11.
+//  Copyright 2011 __MyCompanyName__. All rights reserved.
+//
+
+#import <Three20/Three20.h>
+#import <Three20/Three20+Additions.h>
+#import <RestKit/RestKit.h>
+
+@interface DBLoginViewController : TTTableViewController <UITextFieldDelegate, RKObjectLoaderDelegate> {
+	UIBarButtonItem* _signupOrLoginButtonItem;
+	BOOL _showingSignup;
+	
+	UITextField* _usernameField;
+	UITextField* _passwordField;
+	UITextField* _passwordConfirmationField;
+	UITextField* _emailField;
+}
+
+@end
diff --git a/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBLoginViewController.m b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBLoginViewController.m
new file mode 100644
index 00000000..4ce7f40b
--- /dev/null
+++ b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBLoginViewController.m
@@ -0,0 +1,154 @@
+//
+//  DBLoginViewController.m
+//  DiscussionBoard
+//
+//  Created by Jeremy Ellison on 1/10/11.
+//  Copyright 2011 __MyCompanyName__. All rights reserved.
+//
+
+#import "DBLoginViewController.h"
+#import "DBUser.h"
+
+@implementation DBLoginViewController
+
+- (id)initWithNavigatorURL:(NSURL *)URL query:(NSDictionary *)query {
+	if (self = [super initWithNavigatorURL:URL query:query]) {
+		self.title = @"Login";
+		self.autoresizesForKeyboard = YES;
+		self.tableViewStyle = UITableViewStyleGrouped;
+	}
+	return self;
+}
+
+- (void)viewDidUnload {
+	TT_RELEASE_SAFELY(_signupOrLoginButtonItem);
+	TT_RELEASE_SAFELY(_usernameField);
+	TT_RELEASE_SAFELY(_passwordField);
+	TT_RELEASE_SAFELY(_passwordConfirmationField);
+	TT_RELEASE_SAFELY(_emailField);
+}
+
+- (void)loadView {
+	[super loadView];
+	
+	UIBarButtonItem* cancelItem = [[[UIBarButtonItem alloc] initWithTitle:@"Cancel" 
+																   style:UIBarButtonItemStyleBordered 
+																  target:self
+																   action:@selector(cancelButtonWasPressed:)] autorelease];
+	self.navigationItem.leftBarButtonItem = cancelItem;
+	
+	_signupOrLoginButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"Signup"
+																style:UIBarButtonItemStyleBordered
+															   target:self 
+															   action:@selector(signupOrLoginButtonItemWasPressed:)];
+	_showingSignup = NO;
+	self.navigationItem.rightBarButtonItem = _signupOrLoginButtonItem;
+	
+	_usernameField = [[UITextField alloc] initWithFrame:CGRectZero];
+	_usernameField.autocapitalizationType = UITextAutocapitalizationTypeNone;
+	_usernameField.delegate = self;
+	_usernameField.returnKeyType = UIReturnKeyNext;
+	
+	_passwordField = [[UITextField alloc] initWithFrame:CGRectZero];
+	[_passwordField setSecureTextEntry:YES];
+	_passwordField.delegate = self;
+	
+	_passwordConfirmationField = [[UITextField alloc] initWithFrame:CGRectZero];
+	[_passwordConfirmationField setSecureTextEntry:YES];
+	_passwordConfirmationField.delegate = self;
+	_passwordConfirmationField.returnKeyType = UIReturnKeyGo;
+	
+	_emailField = [[UITextField alloc] initWithFrame:CGRectZero];
+	_emailField.autocapitalizationType = UITextAutocapitalizationTypeNone;
+	_emailField.delegate = self;
+	_emailField.returnKeyType = UIReturnKeyNext;
+}
+
+- (void)createModel {
+	NSMutableArray* items = [NSMutableArray array];
+	if (_showingSignup) {
+		[items addObject:[TTTableControlItem itemWithCaption:@"Username" control:_usernameField]];
+		[items addObject:[TTTableControlItem itemWithCaption:@"Email" control:_emailField]];
+		[items addObject:[TTTableControlItem itemWithCaption:@"Password" control:_passwordField]];
+		[items addObject:[TTTableControlItem itemWithCaption:@"Confirm" control:_passwordConfirmationField]];
+		_passwordField.returnKeyType = UIReturnKeyNext;
+	} else {
+		[items addObject:[TTTableControlItem itemWithCaption:@"Username" control:_usernameField]];
+		[items addObject:[TTTableControlItem itemWithCaption:@"Password" control:_passwordField]];
+		_passwordField.returnKeyType = UIReturnKeyGo;
+	}
+	self.dataSource = [TTListDataSource dataSourceWithItems:items];
+	[_usernameField becomeFirstResponder];
+}
+
+- (void)cancelButtonWasPressed:(id)sender {
+	[self dismissModalViewControllerAnimated:YES];
+	[[NSNotificationCenter defaultCenter] postNotificationName:kLoginCanceledNotificationName object:self];
+}
+
+- (void)signupOrLoginButtonItemWasPressed:(id)sender {
+	if (_showingSignup) {
+		_showingSignup = NO;
+		[_signupOrLoginButtonItem setTitle:@"Login"];
+	} else {
+		_showingSignup = YES;
+		[_signupOrLoginButtonItem setTitle:@"Signup"];
+	}
+	[self invalidateModel];
+}
+
+- (void)loginOrSignup {
+	if (_showingSignup) {
+		// Signup
+		DBUser* user = [DBUser object];
+		user.login = _usernameField.text;
+		user.email = _emailField.text;
+		user.password = _passwordField.text;
+		user.passwordConfirmation = _passwordConfirmationField.text;
+		
+		[[RKObjectManager sharedManager] postObject:user delegate:self];
+	} else {
+		// Login
+		DBUser* user = [DBUser object];
+		user.login = _usernameField.text;
+		user.password = _passwordField.text;
+		[[RKObjectManager sharedManager] putObject:user delegate:self];
+	}
+}
+
+- (BOOL)textFieldShouldReturn:(UITextField *)textField {
+	if (textField == _usernameField) {
+		if (_showingSignup) {
+			[_emailField becomeFirstResponder];
+		} else {
+			[_passwordField becomeFirstResponder];
+		}
+	} else if (textField == _passwordField) {
+		if (_showingSignup) {
+			[_passwordConfirmationField becomeFirstResponder];
+		} else {
+			[self loginOrSignup];
+		}
+	} else if (textField == _emailField) {
+		[_passwordField becomeFirstResponder];
+	} else if (textField == _passwordConfirmationField) {
+		[self loginOrSignup];
+	}
+	return NO;
+}
+
+- (void)objectLoader:(RKObjectLoader*)objectLoader didLoadObjects:(NSArray*)objects {
+	assert([objects count] == 1);
+	DBUser* user = [objects objectAtIndex:0];
+	NSLog(@"Authentication Token: %@", user.singleAccessToken);
+	[[NSUserDefaults standardUserDefaults] setObject:user.userID forKey:kCurrentUserIDKey];
+	[[NSUserDefaults standardUserDefaults] synchronize];
+	[[NSNotificationCenter defaultCenter] postNotificationName:kUserLoggedInNotificationName object:user];
+	[self dismissModalViewControllerAnimated:YES];
+}
+
+- (void)objectLoader:(RKObjectLoader*)objectLoader didFailWithError:(NSError*)error {
+	[[[[UIAlertView alloc] initWithTitle:@"Error" message:[error localizedDescription] delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil] autorelease] show];
+}
+
+@end
diff --git a/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBPostTableViewController.h b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBPostTableViewController.h
new file mode 100644
index 00000000..b6fc9772
--- /dev/null
+++ b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBPostTableViewController.h
@@ -0,0 +1,23 @@
+//
+//  DBPostTableViewController.h
+//  DiscussionBoard
+//
+//  Created by Jeremy Ellison on 1/10/11.
+//  Copyright 2011 __MyCompanyName__. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import "DBAuthenticatedTableViewController.h"
+#import "DBPost.h"
+
+@interface DBPostTableViewController : DBAuthenticatedTableViewController <RKObjectLoaderDelegate, TTTextEditorDelegate, UIImagePickerControllerDelegate, UINavigationControllerDelegate> {
+	DBPost* _post;
+	NSNumber* _topicID;
+	
+	TTTextEditor* _bodyTextEditor;
+	TTImageView* _currentAttachmentImageView;
+	
+	UIImage* _newAttachment;
+}
+
+@end
diff --git a/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBPostTableViewController.m b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBPostTableViewController.m
new file mode 100644
index 00000000..dc6b0d4c
--- /dev/null
+++ b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBPostTableViewController.m
@@ -0,0 +1,154 @@
+//
+//  DBPostTableViewController.m
+//  DiscussionBoard
+//
+//  Created by Jeremy Ellison on 1/10/11.
+//  Copyright 2011 __MyCompanyName__. All rights reserved.
+//
+
+#import "DBPostTableViewController.h"
+#import <Three20/Three20+Additions.h>
+
+@implementation DBPostTableViewController
+
+- (id)initWithPostID:(NSString*)postID {
+	if (self = [super initWithStyle:UITableViewStyleGrouped]) {
+		_post = [[DBPost objectWithPrimaryKeyValue:postID] retain];
+	}
+	return self;
+}
+
+- (id)initWithTopicID:(NSString*)topicID {
+	if (self = [super initWithStyle:UITableViewStyleGrouped]) {
+		_topicID = [[NSNumber numberWithInt:[topicID intValue]] retain];
+	}
+	return self;
+}
+
+- (void)dealloc {
+	[_post release];
+	[_topicID release];
+	[super dealloc];
+}
+
+- (BOOL)isNewRecord {
+	return [[_post postID] intValue] == 0;
+}
+
+- (void)viewDidUnload {
+	TT_RELEASE_SAFELY(_bodyTextEditor);
+	[[TTNavigator navigator].URLMap removeURL:@"db://updateAttachment"];
+}
+
+- (void)loadView {
+	self.tableViewStyle = UITableViewStyleGrouped;
+	self.autoresizesForKeyboard = YES;
+	self.variableHeightRows = YES;
+	[[TTNavigator navigator].URLMap from:@"db://updateAttachment" toObject:self selector:@selector(updateAttachment)];
+	if (nil == _post) {
+		_post = [[DBPost object] retain];
+		_post.topicID = _topicID;
+	}
+	
+	_requiresLoggedInUser = YES;
+	if (![self isNewRecord]) {
+		_requiredUserID = _post.userID;
+	}
+	
+	[super loadView];
+	
+	_bodyTextEditor = [[TTTextEditor alloc] initWithFrame:CGRectMake(0, 0, 300, 120)];
+	_bodyTextEditor.font = [UIFont systemFontOfSize:12];
+	_bodyTextEditor.autoresizesToText = NO;
+	_bodyTextEditor.delegate = self;
+}
+
+- (void)createModel {
+	NSMutableArray* items = [NSMutableArray array];
+	
+	_bodyTextEditor.text = _post.body;
+	
+	[items addObject:[TTTableControlItem itemWithCaption:@"" control:(UIControl*)_bodyTextEditor]];
+	
+	// Attachment item.
+	if (_newAttachment) {
+		// has new attachment. show it. allow update.
+		[items addObject:[TTTableImageItem itemWithText:@"Tap to Replace Image" imageURL:@"" defaultImage:_newAttachment URL:@"db://updateAttachment"]];
+	} else if (![[_post attachmentPath] isWhitespaceAndNewlines]) {
+		// Has existing attachment. allow replace
+		NSString* url = [NSString stringWithFormat:@"%@%@", [RKObjectManager sharedManager].client.baseURL, _post.attachmentPath];
+		[items addObject:[TTTableImageItem itemWithText:@"Tap to Replace Image" imageURL:url defaultImage:nil URL:@"db://updateAttachment"]];
+	} else {
+		// has no attachment. allow new one.
+		[items addObject:[TTTableTextItem itemWithText:@"Tap to Add Image" URL:@"db://updateAttachment"]];
+	}
+	
+	if ([self isNewRecord]) {
+		self.title = @"New Post";
+		[items addObject:[TTTableButton itemWithText:@"Create" delegate:self selector:@selector(createButtonWasPressed:)]];
+	} else {
+		self.title = @"Edit Post";
+		[items addObject:[TTTableButton itemWithText:@"Update" delegate:self selector:@selector(updateButtonWasPressed:)]];
+		[items addObject:[TTTableButton itemWithText:@"Delete" delegate:self selector:@selector(destroyButtonWasPressed:)]];
+	}
+	self.dataSource = [TTListDataSource dataSourceWithItems:items];
+}
+
+- (void)updateAttachment {
+	UIImagePickerController* controller = [[[UIImagePickerController alloc] init] autorelease];
+	controller.delegate = self;
+	[self presentModalViewController:controller animated:YES];
+}
+
+- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info {
+	_newAttachment = [info objectForKey:UIImagePickerControllerOriginalImage];
+	[self dismissModalViewControllerAnimated:YES];
+	[self invalidateModel];
+}
+
+- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker {
+	[self dismissModalViewControllerAnimated:YES];
+}
+
+- (void)createButtonWasPressed:(id)sender {
+	_post.body = _bodyTextEditor.text;
+	_post.newAttachment = _newAttachment;
+	[[RKObjectManager sharedManager] postObject:_post delegate:self];
+}
+
+- (void)updateButtonWasPressed:(id)sender {
+	_post.body = _bodyTextEditor.text;
+	_post.newAttachment = _newAttachment;
+	[[RKObjectManager sharedManager] putObject:_post delegate:self];
+}
+
+- (void)destroyButtonWasPressed:(id)sender {
+	[[RKObjectManager sharedManager] deleteObject:_post delegate:self];
+}
+
+- (void)objectLoader:(RKObjectLoader*)objectLoader didLoadObjects:(NSArray*)objects {
+	NSLog(@"Loaded Objects: %@", objects);
+	NSLog(@"Status Code: %d", objectLoader.response.statusCode);
+	// Post notification telling view controllers to reload.
+	[[NSNotificationCenter defaultCenter] postNotificationName:kObjectCreatedUpdatedOrDestroyedNotificationName object:objects];
+	// dismiss.
+	[self.navigationController popViewControllerAnimated:YES];
+}
+
+- (void)objectLoader:(RKObjectLoader*)objectLoader didFailWithError:(NSError*)error {
+	[[[[UIAlertView alloc] initWithTitle:@"Error" message:[error localizedDescription] delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil] autorelease] show];
+}
+
+// Text Editor Delegate
+
+- (void)textEditorDidBeginEditing:(TTTextEditor*)textEditor {
+	UIBarButtonItem* doneButton = [[UIBarButtonItem alloc] initWithTitle:@"Done" style:UIBarButtonItemStyleDone target:textEditor action:@selector(resignFirstResponder)];
+	[doneButton autorelease];
+	self.navigationItem.rightBarButtonItem = doneButton;
+}
+
+- (void)textEditorDidEndEditing:(TTTextEditor*)textEditor {
+	self.navigationItem.rightBarButtonItem = nil;
+}
+
+@end
diff --git a/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DBPostsTableViewController.h b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBPostsTableViewController.h
similarity index 57%
rename from Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DBPostsTableViewController.h
rename to Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBPostsTableViewController.h
index c03de01d..7df31fb0 100644
--- a/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DBPostsTableViewController.h
+++ b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBPostsTableViewController.h
@@ -8,9 +8,13 @@
 
 #import <Foundation/Foundation.h>
 #import <Three20/Three20.h>
+#import "DBResourceListTableViewController.h"
+#import "DBTopic.h"
 
-@interface DBPostsTableViewController : TTTableViewController {
+@interface DBPostsTableViewController : DBResourceListTableViewController {
 	NSString* _topicID;
 }
 
+@property (nonatomic, readonly) DBTopic* topic;
+
 @end
diff --git a/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBPostsTableViewController.m b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBPostsTableViewController.m
new file mode 100644
index 00000000..678d263e
--- /dev/null
+++ b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBPostsTableViewController.m
@@ -0,0 +1,88 @@
+//
+//  DBPostsTableViewController.m
+//  DiscussionBoard
+//
+//  Created by Jeremy Ellison on 1/7/11.
+//  Copyright 2011 __MyCompanyName__. All rights reserved.
+//
+
+#import "DBPostsTableViewController.h"
+#import "DBPost.h"
+#import <RestKit/Three20/Three20.h>
+#import "DBUser.h"
+
+@implementation DBPostsTableViewController
+
+- (id)initWithTopicID:(NSString*)topicID {
+	if (self = [super initWithStyle:UITableViewStylePlain]) {
+		_topicID = [topicID retain];
+		
+		self.title = @"Posts";
+		_resourcePath = [[NSString stringWithFormat:@"/topics/%@/posts", _topicID] retain];
+		_resourceClass = [DBPost class];
+	}
+	return self;
+}
+
+- (void)dealloc {
+	[_topicID release];
+	[super dealloc];
+}
+
+- (void)loadView {
+	[super loadView];
+	self.variableHeightRows = YES;
+	
+	UIBarButtonItem* newItem = [[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAdd target:self action:@selector(addButtonWasPressed:)] autorelease];
+	self.navigationItem.rightBarButtonItem = newItem;
+}
+
+- (void)addButtonWasPressed:(id)sender {
+	NSString* url = [NSString stringWithFormat:@"db://topics/%@/posts/new", _topicID];
+	TTOpenURL(url);
+}
+
+- (void)createModel {
+	if (nil == [DBTopic objectWithPrimaryKeyValue:_topicID]) {
+		// this topic was deleted or something.
+		[self.navigationController popToRootViewControllerAnimated:YES];
+		return;
+	}
+	[super createModel];
+}
+
+- (void)didLoadModel:(BOOL)firstTime {
+	[super didLoadModel:firstTime];
+	if ([self.model isKindOfClass:[RKRequestTTModel class]]) {
+		RKRequestTTModel* model = (RKRequestTTModel*)self.model;
+		NSMutableArray* postItems = [NSMutableArray arrayWithCapacity:[model.objects count]];
+		NSMutableArray* topicItems = [NSMutableArray arrayWithCapacity:2];
+		
+		[topicItems addObject:[TTTableTextItem itemWithText:self.topic.name]];
+		// only add edit item if there is no current user (lazy login) or
+		// the current user id == topic user id.
+		NSNumber* topicUserId = self.topic.userID;
+		// if topicUserId is nil, the topic has no user for some reason (perhaps they got deleted).
+		if ([DBUser currentUser] == nil || 
+			(topicUserId && [[DBUser currentUser].userID isEqualToNumber:topicUserId])) {
+			NSString* editURL = [NSString stringWithFormat:@"db://topics/%@/edit", _topicID];
+			[topicItems addObject:[TTTableTextItem itemWithText:@"Edit" URL:editURL]];
+		}
+		
+		for(DBPost* post in model.objects) {
+			NSString* url = [NSString stringWithFormat:@"db://posts/%@", post.postID];
+			[postItems addObject:[TTTableLongTextItem itemWithText:post.body URL:url]];
+		}
+		
+		self.dataSource = [TTSectionedDataSource dataSourceWithArrays:@"Topic",
+																	  topicItems,
+																	  @"Posts",
+																	  postItems, nil];
+	}
+}
+
+- (DBTopic*)topic {
+	return [DBTopic objectWithPrimaryKeyValue:_topicID];
+}
+
+@end
diff --git a/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBResourceListTableViewController.h b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBResourceListTableViewController.h
new file mode 100644
index 00000000..ae38abcb
--- /dev/null
+++ b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBResourceListTableViewController.h
@@ -0,0 +1,20 @@
+//
+//  DBResourceListTableViewController.h
+//  DiscussionBoard
+//
+//  Created by Jeremy Ellison on 1/10/11.
+//  Copyright 2011 __MyCompanyName__. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import <Three20/Three20.h>
+#import <RestKit/Three20/Three20.h>
+
+@interface DBResourceListTableViewController : TTTableViewController {
+	UILabel* _loadedAtLabel;
+	
+	NSString* _resourcePath;
+	Class _resourceClass;
+}
+
+@end
diff --git a/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBResourceListTableViewController.m b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBResourceListTableViewController.m
new file mode 100644
index 00000000..17905ab5
--- /dev/null
+++ b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBResourceListTableViewController.m
@@ -0,0 +1,71 @@
+//
+//  DBResourceListTableViewController.m
+//  DiscussionBoard
+//
+//  Created by Jeremy Ellison on 1/10/11.
+//  Copyright 2011 __MyCompanyName__. All rights reserved.
+//
+
+#import "DBResourceListTableViewController.h"
+#import "DBManagedObjectCache.h"
+
+@implementation DBResourceListTableViewController
+
+- (void)loadView {
+	[super loadView];
+	
+	UIView* tableHeaderView = [[[UIView alloc] initWithFrame:CGRectMake(0, 0, 320, 90)] autorelease];
+	_loadedAtLabel = [[UILabel alloc] initWithFrame:CGRectMake(10, 10, 300, 20)];
+	_loadedAtLabel.textAlignment = UITextAlignmentCenter;
+	[tableHeaderView addSubview:_loadedAtLabel];
+	UIButton* reloadButton = [UIButton buttonWithType:UIButtonTypeRoundedRect];
+	[reloadButton setTitle:@"Reload" forState:UIControlStateNormal];
+	[reloadButton addTarget:self action:@selector(reloadButtonWasPressed:) forControlEvents:UIControlEventTouchUpInside];
+	reloadButton.frame = CGRectMake(100, 40, 100, 40);
+	[tableHeaderView addSubview:reloadButton];
+	
+	self.tableView.tableHeaderView = tableHeaderView;
+	
+	[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(userStateChanged:) name:kUserLoggedInNotificationName object:nil];
+	[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(userStateChanged:) name:kUserLoggedOutNotificationName object:nil];
+	[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(reloadNotification:) name:kObjectCreatedUpdatedOrDestroyedNotificationName object:nil];
+}
+
+- (void)reloadButtonWasPressed:(id)sender {
+	[self invalidateModel];
+}
+
+- (void)viewDidUnload {
+	[_loadedAtLabel release];
+	_loadedAtLabel = nil;
+	
+	[[NSNotificationCenter defaultCenter] removeObserver:self];
+}
+
+- (void)reloadNotification:(NSNotification*)note {
+	[self invalidateModel];
+}
+
+- (void)userStateChanged:(NSNotification*)note {
+	[self invalidateModel];
+}
+
+- (void)viewDidAppear:(BOOL)animated {
+	[super viewDidAppear:animated];
+}
+
+- (void)createModel {
+	self.model = [[[RKRequestTTModel alloc] initWithResourcePath:_resourcePath] autorelease];
+}
+
+- (void)didLoadModel:(BOOL)firstTime {
+	if ([self.model isKindOfClass:[RKRequestTTModel class]]) {
+		RKRequestTTModel* model = (RKRequestTTModel*)self.model;
+		
+		NSDateFormatter* formatter = [[[NSDateFormatter alloc] init] autorelease];
+		[formatter setDateFormat:@"hh:mm:ss MM/dd/yy"];
+		_loadedAtLabel.text = [NSString stringWithFormat:@"Loaded At: %@", [formatter stringFromDate:model.loadedTime]];
+	}
+}
+
+@end
diff --git a/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBTopicViewController.h b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBTopicViewController.h
new file mode 100644
index 00000000..e797382b
--- /dev/null
+++ b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBTopicViewController.h
@@ -0,0 +1,18 @@
+//
+//  DBEditTopicViewController.h
+//  DiscussionBoard
+//
+//  Created by Jeremy Ellison on 1/10/11.
+//  Copyright 2011 __MyCompanyName__. All rights reserved.
+//
+
+#import <Three20/Three20.h>
+#import "DBAuthenticatedTableViewController.h"
+#import "DBTopic.h"
+
+@interface DBTopicViewController : DBAuthenticatedTableViewController <RKObjectLoaderDelegate> {
+	UITextField* _topicNameField;
+	DBTopic* _topic;
+}
+
+@end
diff --git a/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBTopicViewController.m b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBTopicViewController.m
new file mode 100644
index 00000000..c09b40a4
--- /dev/null
+++ b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBTopicViewController.m
@@ -0,0 +1,97 @@
+//
+//  DBEditTopicViewController.m
+//  DiscussionBoard
+//
+//  Created by Jeremy Ellison on 1/10/11.
+//  Copyright 2011 __MyCompanyName__. All rights reserved.
+//
+
+#import "DBTopicViewController.h"
+#import "DBTopic.h"
+#import "DBUser.h"
+
+@implementation DBTopicViewController
+
+- (id)initWithTopicID:(NSString*)topicID {
+	if (self = [super initWithStyle:UITableViewStyleGrouped]) {
+		_topic = [[DBTopic objectWithPrimaryKeyValue:topicID] retain];
+	}
+	return self;
+}
+
+- (void)dealloc {
+	[_topic release];
+	[super dealloc];
+}
+
+- (BOOL)isNewRecord {
+	return [[_topic topicID] intValue] == 0;
+}
+
+- (void)viewDidUnload {
+	TT_RELEASE_SAFELY(_topicNameField);
+}
+
+- (void)loadView {
+	self.tableViewStyle = UITableViewStyleGrouped;
+	
+	if (nil == _topic) {
+		_topic = [[DBTopic object] retain];
+		_topic.name = @"";
+	}
+	
+	_requiresLoggedInUser = YES;
+	if (![self isNewRecord]) {
+		_requiredUserID = _topic.userID;
+	}
+	
+	[super loadView];
+	
+	_topicNameField = [[UITextField alloc] initWithFrame:CGRectZero];
+}
+
+- (void)createModel {
+	NSMutableArray* items = [NSMutableArray array];
+	
+	_topicNameField.text = _topic.name;
+	[items addObject:[TTTableControlItem itemWithCaption:@"Name" control:_topicNameField]];
+	
+	if ([self isNewRecord]) {
+		self.title = @"New Topic";
+		[items addObject:[TTTableButton itemWithText:@"Create" delegate:self selector:@selector(createButtonWasPressed:)]];
+	} else {
+		self.title = @"Edit Topic";
+		[items addObject:[TTTableButton itemWithText:@"Update" delegate:self selector:@selector(updateButtonWasPressed:)]];
+		[items addObject:[TTTableButton itemWithText:@"Delete" delegate:self selector:@selector(destroyButtonWasPressed:)]];
+	}
+	self.dataSource = [TTListDataSource dataSourceWithItems:items];
+}
+
+- (void)createButtonWasPressed:(id)sender {
+	_topic.name = _topicNameField.text;
+	[[RKObjectManager sharedManager] postObject:_topic delegate:self];
+}
+
+- (void)updateButtonWasPressed:(id)sender {
+	_topic.name = _topicNameField.text;
+	[[RKObjectManager sharedManager] putObject:_topic delegate:self];
+}
+
+- (void)destroyButtonWasPressed:(id)sender {
+	[[RKObjectManager sharedManager] deleteObject:_topic delegate:self];
+}
+
+- (void)objectLoader:(RKObjectLoader*)objectLoader didLoadObjects:(NSArray*)objects {
+	NSLog(@"Loaded Objects: %@", objects);
+	NSLog(@"Status Code: %d", objectLoader.response.statusCode);
+	// Post notification telling view controllers to reload.
+	[[NSNotificationCenter defaultCenter] postNotificationName:kObjectCreatedUpdatedOrDestroyedNotificationName object:objects];
+	// dismiss.
+	[self.navigationController popViewControllerAnimated:YES];
+}
+
+- (void)objectLoader:(RKObjectLoader*)objectLoader didFailWithError:(NSError*)error {
+	[[[[UIAlertView alloc] initWithTitle:@"Error" message:[error localizedDescription] delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil] autorelease] show];
+}
+
+@end
diff --git a/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DBTopicsTableViewController.h b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBTopicsTableViewController.h
similarity index 62%
rename from Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DBTopicsTableViewController.h
rename to Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBTopicsTableViewController.h
index 3dcb3276..b93b5b10 100644
--- a/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DBTopicsTableViewController.h
+++ b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBTopicsTableViewController.h
@@ -7,9 +7,9 @@
 //
 
 #import <Foundation/Foundation.h>
-#import <Three20/Three20.h>
+#import "DBResourceListTableViewController.h"
 
-@interface DBTopicsTableViewController : TTTableViewController {
+@interface DBTopicsTableViewController : DBResourceListTableViewController {
 
 }
 
diff --git a/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBTopicsTableViewController.m b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBTopicsTableViewController.m
new file mode 100644
index 00000000..5e1babfe
--- /dev/null
+++ b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Controllers/DBTopicsTableViewController.m
@@ -0,0 +1,65 @@
+//
+//  DBTopicsTableViewController.m
+//  DiscussionBoard
+//
+//  Created by Jeremy Ellison on 1/7/11.
+//  Copyright 2011 __MyCompanyName__. All rights reserved.
+//
+
+#import "DBTopicsTableViewController.h"
+#import "DBTopic.h"
+#import <Three20/Three20+Additions.h>
+#import "DBUser.h"
+
+@implementation DBTopicsTableViewController
+
+- (id)initWithNavigatorURL:(NSURL *)URL query:(NSDictionary *)query {
+	if (self = [super initWithNavigatorURL:URL query:query]) {
+		self.title = @"Topics";
+		_resourcePath = [@"/topics" retain];
+		_resourceClass = [DBTopic class];
+	}
+	return self;
+}
+
+- (void)createModel {
+	[super createModel];
+	
+	UIBarButtonItem* item = nil;
+	if ([DBUser currentUser]) {
+		item = [[[UIBarButtonItem alloc] initWithTitle:@"Logout" style:UIBarButtonItemStyleBordered target:self action:@selector(logoutButtonWasPressed:)] autorelease];
+	}
+	self.navigationItem.leftBarButtonItem = item;
+	
+	UIBarButtonItem* newItem = [[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAdd target:self action:@selector(addButtonWasPressed:)] autorelease];
+	self.navigationItem.rightBarButtonItem = newItem;
+}
+
+- (void)addButtonWasPressed:(id)sender {
+	TTOpenURL(@"db://topics/new");
+}
+
+- (void)logoutButtonWasPressed:(id)sender {
+	[DBUser logout];
+}
+
+- (void)didLoadModel:(BOOL)firstTime {
+	[super didLoadModel:firstTime];
+	RKRequestTTModel* model = (RKRequestTTModel*)self.model;
+	
+	NSMutableArray* items = [NSMutableArray arrayWithCapacity:[model.objects count]];
+	
+	for(DBTopic* topic in model.objects) {
+		NSString* url = [NSString stringWithFormat:@"db://topics/%@/posts", topic.topicID];
+		[items addObject:[TTTableTextItem itemWithText:topic.name URL:url]];
+	}
+	
+	NSLog(@"Items: %@", items);
+	// Ensure that the datasource's model is still the RKRequestTTModel;
+	// Otherwise isOutdated will not work.
+	TTListDataSource* dataSource = [TTListDataSource dataSourceWithItems:items];
+	dataSource.model = model;
+	self.dataSource = dataSource;
+}
+
+@end
diff --git a/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DBEnvironment.h b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DBEnvironment.h
index 78d04610..efb52530 100644
--- a/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DBEnvironment.h
+++ b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DBEnvironment.h
@@ -11,3 +11,11 @@
  */
 
 extern NSString* const kDBBaseURLString;
+
+extern NSString* const kCurrentUserIDKey;
+
+
+extern NSString* const kUserLoggedInNotificationName;
+extern NSString* const kLoginCanceledNotificationName;
+extern NSString* const kUserLoggedOutNotificationName;
+extern NSString* const kObjectCreatedUpdatedOrDestroyedNotificationName;
\ No newline at end of file
diff --git a/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DBEnvironment.m b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DBEnvironment.m
index b3804532..4fac5784 100644
--- a/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DBEnvironment.m
+++ b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DBEnvironment.m
@@ -10,3 +10,10 @@
 
 NSString* const kDBBaseURLString = @"http://localhost:3000";
 //NSString* const kDBBaseURLString = @"http://discussionboard.heroku.com";
+
+NSString* const kCurrentUserIDKey = @"currentUserKey";
+
+NSString* const kUserLoggedInNotificationName = @"kUserLoggedInNotificationName";
+NSString* const kLoginCanceledNotificationName = @"kLoginCanceledNotificationName";
+NSString* const kUserLoggedOutNotificationName = @"kUserLoggedOutNotificationName";
+NSString* const kObjectCreatedUpdatedOrDestroyedNotificationName = @"kObjectCreatedUpdatedOrDestroyedNotificationName";
\ No newline at end of file
diff --git a/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DBManagedObjectCache.h b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DBManagedObjectCache.h
new file mode 100644
index 00000000..cc3b7a8b
--- /dev/null
+++ b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DBManagedObjectCache.h
@@ -0,0 +1,16 @@
+//
+//  DBManagedObjectCache.h
+//  DiscussionBoard
+//
+//  Created by Jeremy Ellison on 1/10/11.
+//  Copyright 2011 __MyCompanyName__. All rights reserved.
+//
+
+#import <RestKit/CoreData/RKManagedObjectCache.h>
+
+
+@interface DBManagedObjectCache : NSObject <RKManagedObjectCache> {
+
+}
+
+@end
diff --git a/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DBManagedObjectCache.m b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DBManagedObjectCache.m
new file mode 100644
index 00000000..cec14ae2
--- /dev/null
+++ b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DBManagedObjectCache.m
@@ -0,0 +1,48 @@
+//
+//  DBManagedObjectCache.m
+//  DiscussionBoard
+//
+//  Created by Jeremy Ellison on 1/10/11.
+//  Copyright 2011 __MyCompanyName__. All rights reserved.
+//
+
+#import "DBManagedObjectCache.h"
+#import "DBTopic.h"
+#import "DBPost.h"
+
+@implementation DBManagedObjectCache
+
+- (NSArray*)fetchRequestsForResourcePath:(NSString*)resourcePath {
+	// Don't return anything from the cache if we are online..
+	// If we return cached objects, RestKit assumes they are up to date
+	// and does not hit the server.
+	
+//	if ([[RKObjectManager sharedManager] isOnline]) {
+//		return nil;
+//	}
+	
+	if ([resourcePath isEqualToString:@"/topics"]) {
+		NSFetchRequest* request = [DBTopic fetchRequest];
+		NSSortDescriptor* sortDescriptor = [NSSortDescriptor sortDescriptorWithKey:@"createdAt" ascending:YES];
+		[request setSortDescriptors:[NSArray arrayWithObject:sortDescriptor]];
+		return [NSArray arrayWithObject:request];
+	}
+	// match on /topics/:id/posts
+	NSArray* components = [resourcePath componentsSeparatedByString:@"/"];
+	if ([components count] == 4 &&
+		[[components objectAtIndex:1] isEqualToString:@"topics"] &&
+		[[components objectAtIndex:3] isEqualToString:@"posts"]) {
+		NSString* topicIDString = [components objectAtIndex:2];
+		NSNumber* topicID = [NSNumber numberWithInt:[topicIDString intValue]];
+		NSFetchRequest* request = [DBPost fetchRequest];
+		NSPredicate* predicate = [NSPredicate predicateWithFormat:@"topicID = %@", topicID, nil];
+		[request setPredicate:predicate];
+		NSSortDescriptor* sortDescriptor = [NSSortDescriptor sortDescriptorWithKey:@"createdAt" ascending:YES];
+		[request setSortDescriptors:[NSArray arrayWithObject:sortDescriptor]];
+		return [NSArray arrayWithObject:request];
+	}
+	
+	return nil;
+}
+
+@end
diff --git a/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DBPostsTableViewController.m b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DBPostsTableViewController.m
deleted file mode 100644
index 1d5db896..00000000
--- a/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DBPostsTableViewController.m
+++ /dev/null
@@ -1,49 +0,0 @@
-//
-//  DBPostsTableViewController.m
-//  DiscussionBoard
-//
-//  Created by Jeremy Ellison on 1/7/11.
-//  Copyright 2011 __MyCompanyName__. All rights reserved.
-//
-
-#import "DBPostsTableViewController.h"
-#import "DBPost.h"
-#import <RestKit/Three20/Three20.h>
-
-@implementation DBPostsTableViewController
-
-- (id)initWithTopicID:(NSString*)topicID {
-	if (self = [super initWithStyle:UITableViewStylePlain]) {
-		_topicID = [topicID retain];
-	}
-	return self;
-}
-
-- (void)dealloc {
-	[_topicID release];
-	[super dealloc];
-}
-
-- (void)loadView {
-	[super loadView];
-	self.title = @"Posts";
-	self.variableHeightRows = YES;
-	
-	NSString* path = [NSString stringWithFormat:@"/topics/%@/posts", _topicID];
-	self.model = [[[RKRequestTTModel alloc] initWithResourcePath:path] autorelease];
-}
-
-- (void)didLoadModel:(BOOL)firstTime {
-	RKRequestTTModel* model = (RKRequestTTModel*)self.model;
-	NSMutableArray* items = [NSMutableArray arrayWithCapacity:[model.objects count]];
-	
-	for(DBPost* post in model.objects) {
-		NSString* url = @"";
-		[items addObject:[TTTableLongTextItem itemWithText:post.body URL:url]];
-	}
-	
-	NSLog(@"Items: %@", items);
-	self.dataSource = [TTListDataSource dataSourceWithItems:items];
-}
-
-@end
diff --git a/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DBTopicsTableViewController.m b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DBTopicsTableViewController.m
deleted file mode 100644
index eb0aadb5..00000000
--- a/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DBTopicsTableViewController.m
+++ /dev/null
@@ -1,34 +0,0 @@
-//
-//  DBTopicsTableViewController.m
-//  DiscussionBoard
-//
-//  Created by Jeremy Ellison on 1/7/11.
-//  Copyright 2011 __MyCompanyName__. All rights reserved.
-//
-
-#import "DBTopicsTableViewController.h"
-#import <RestKit/Three20/Three20.h>
-#import "DBTopic.h"
-
-@implementation DBTopicsTableViewController
-
-- (void)loadView {
-	[super loadView];
-	self.title = @"Topics";
-	
-	self.model = [[[RKRequestTTModel alloc] initWithResourcePath:@"/topics"] autorelease];
-}
-
-- (void)didLoadModel:(BOOL)firstTime {
-	RKRequestTTModel* model = (RKRequestTTModel*)self.model;
-	NSMutableArray* items = [NSMutableArray arrayWithCapacity:[model.objects count]];
-	
-	for(DBTopic* topic in model.objects) {
-		NSString* url = [NSString stringWithFormat:@"db://topics/%@/posts", topic.topicID];
-		[items addObject:[TTTableTextItem itemWithText:topic.name URL:url]];
-	}
-	NSLog(@"Items: %@", items);
-	self.dataSource = [TTListDataSource dataSourceWithItems:items];
-}
-
-@end
diff --git a/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DiscussionBoardAppDelegate.m b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DiscussionBoardAppDelegate.m
index 23bbfef8..1704e191 100644
--- a/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DiscussionBoardAppDelegate.m
+++ b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DiscussionBoardAppDelegate.m
@@ -8,18 +8,25 @@
 
 #import "DiscussionBoardAppDelegate.h"
 #import <RestKit/RestKit.h>
+#import <RestKit/ObjectMapping/RKDynamicRouter.h>
 #import <Three20/Three20.h>
 #import <Three20/Three20+Additions.h>
 #import "DBTopicsTableViewController.h"
 #import "DBTopic.h"
 #import "DBPostsTableViewController.h"
 #import "DBPost.h"
+#import "DBManagedObjectCache.h"
+#import "DBTopicViewController.h"
+#import "DBLoginViewController.h"
+#import "DBUser.h"
+#import "DBPostTableViewController.h"
+
+static NSString* const kAccessTokenHeaderField = @"HTTP_USER_ACCESS_TOKEN";
 
 @implementation DiscussionBoardAppDelegate
 
 @synthesize window;
 
-
 #pragma mark -
 #pragma mark Application lifecycle
 
@@ -27,25 +34,77 @@
 	// Initialize object manager
 	RKObjectManager* objectManager = [RKObjectManager objectManagerWithBaseURL:kDBBaseURLString];
 	
+	// Set the default refresh rate to 1. This means we should always hit the web if we can.
+	// If the server is unavailable, we will load from the core data cache.
+	[RKRequestTTModel setDefaultRefreshRate:1];
+	
+	// Do not overwrite properties that are missing in the payload to nil.
+	objectManager.mapper.missingElementMappingPolicy = RKIgnoreMissingElementMappingPolicy;
+	
 	// Initialize object store
 	objectManager.objectStore = [[[RKManagedObjectStore alloc] initWithStoreFilename:@"DiscussionBoard.sqlite"] autorelease];
+	objectManager.objectStore.managedObjectCache = [[DBManagedObjectCache new] autorelease];
 	
+	// Set Up Mapper
 	RKObjectMapper* mapper =  objectManager.mapper;
-	
 	[mapper registerClass:[DBTopic class] forElementNamed:@"topic"];
 	[mapper registerClass:[DBPost class] forElementNamed:@"post"];
 	
+	// Set Up Router
+	RKDynamicRouter* router = [[[RKDynamicRouter alloc] init] autorelease];
+	[router routeClass:[DBUser class] toResourcePath:@"/signup" forMethod:RKRequestMethodPOST];
+	[router routeClass:[DBUser class] toResourcePath:@"/login" forMethod:RKRequestMethodPUT];
+	
+	[router routeClass:[DBTopic class] toResourcePath:@"/topics" forMethod:RKRequestMethodPOST];
+	[router routeClass:[DBTopic class] toResourcePath:@"/topics/(topicID)" forMethod:RKRequestMethodPUT];
+	[router routeClass:[DBTopic class] toResourcePath:@"/topics/(topicID)" forMethod:RKRequestMethodDELETE];
+	
+	[router routeClass:[DBPost class] toResourcePath:@"/topics/(topicID)/posts" forMethod:RKRequestMethodPOST];
+	[router routeClass:[DBPost class] toResourcePath:@"/topics/(topicID)/posts/(postID)" forMethod:RKRequestMethodPUT];
+	[router routeClass:[DBPost class] toResourcePath:@"/topics/(topicID)/posts/(postID)" forMethod:RKRequestMethodDELETE];
+	
+	objectManager.router = router;
+	
 	// Initialize Three20
 	TTURLMap* map = [[TTNavigator navigator] URLMap];
 	[map from:@"db://topics" toViewController:[DBTopicsTableViewController class]];
 	[map from:@"db://topics/(initWithTopicID:)/posts" toViewController:[DBPostsTableViewController class]];
+	[map from:@"db://topics/(initWithTopicID:)/edit" toViewController:[DBTopicViewController class]];
+	[map from:@"db://topics/new" toViewController:[DBTopicViewController class]];
+	[map from:@"db://posts/(initWithPostID:)" toViewController:[DBPostTableViewController class]];
+	[map from:@"db://topics/(initWithTopicID:)/posts/new" toViewController:[DBPostTableViewController class]];
+	[map from:@"db://login" toModalViewController:[DBLoginViewController class]];
+	
+	
 	[map from:@"*" toViewController:[TTWebController class]];
 	
 	TTOpenURL(@"db://topics");
 	[[TTNavigator navigator].window makeKeyAndVisible];
+	
+	// Authentication
+	[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(userLoggedIn:) name:kUserLoggedInNotificationName object:nil];
+	[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(userLoggedOut:) name:kUserLoggedOutNotificationName object:nil];
+	DBUser* user = [DBUser currentUser];
+	NSLog(@"Token: %@", user.singleAccessToken);
+	NSLog(@"User: %@", user);
+	[objectManager.client setValue:[DBUser currentUser].singleAccessToken forHTTPHeaderField:@"USER_ACCESS_TOKEN"];
+	
+	// Testing
+	TTOpenURL(@"db://posts/9");
+	
 	return YES;
 }
 
+- (void)userLoggedIn:(NSNotification*)note {
+	RKObjectManager* objectManager = [RKObjectManager sharedManager];
+	[objectManager.client setValue:[DBUser currentUser].singleAccessToken forHTTPHeaderField:kAccessTokenHeaderField];
+}
+
+- (void)userLoggedOut:(NSNotification*)note {
+	RKObjectManager* objectManager = [RKObjectManager sharedManager];
+	[objectManager.client setValue:nil forHTTPHeaderField:kAccessTokenHeaderField];
+}
+
 
 - (void)applicationWillResignActive:(UIApplication *)application {
     /*
diff --git a/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DBPost.h b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Models/DBPost.h
similarity index 90%
rename from Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DBPost.h
rename to Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Models/DBPost.h
index 838a9915..97853d3f 100644
--- a/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DBPost.h
+++ b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Models/DBPost.h
@@ -10,7 +10,7 @@
 #import <RestKit/CoreData/CoreData.h>
 
 @interface DBPost : RKManagedObject {
-
+	UIImage* _newAttachment;
 }
 
 @property (nonatomic, retain) NSString* attachmentContentType;
@@ -25,4 +25,6 @@
 @property (nonatomic, retain) NSNumber* userID;
 @property (nonatomic, retain) NSNumber* postID;
 
+@property (nonatomic, retain) UIImage* newAttachment;
+
 @end
\ No newline at end of file
diff --git a/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DBPost.m b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Models/DBPost.m
similarity index 65%
rename from Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DBPost.m
rename to Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Models/DBPost.m
index 569e2570..f0069102 100644
--- a/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DBPost.m
+++ b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Models/DBPost.m
@@ -23,6 +23,8 @@
 @dynamic userID;
 @dynamic postID;
 
+@synthesize newAttachment = _newAttachment;
+
 + (NSDictionary*)elementToPropertyMappings {
 	return [NSDictionary dictionaryWithKeysAndObjects:
 			@"id",@"postID", 
@@ -43,4 +45,17 @@
 	return @"postID";
 }
 
+- (NSDictionary*)paramsForSerialization {
+	RKParams* params = [RKParams params];
+	[params setValue:self.body forParam:@"post[body]"];
+	if (_newAttachment) {
+		NSData* data = UIImagePNGRepresentation(_newAttachment);
+		NSLog(@"Data Size: %d", [data length]);
+		[params setData:data MIMEType:@"application/octet-stream" forParam:@"topic[attachment]"];
+	}
+	
+	// Suppress warning. todo: should this method return an <RKRequestSerializable> by default?
+	return (NSDictionary*)params;
+}
+
 @end
diff --git a/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DBTopic.h b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Models/DBTopic.h
similarity index 99%
rename from Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DBTopic.h
rename to Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Models/DBTopic.h
index eb4aeac6..eb74abb5 100644
--- a/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DBTopic.h
+++ b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Models/DBTopic.h
@@ -10,7 +10,7 @@
 #import <RestKit/CoreData/CoreData.h>
 
 @interface DBTopic : RKManagedObject {
-
+	
 }
 
 @property (nonatomic, retain) NSNumber* topicID;
diff --git a/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DBTopic.m b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Models/DBTopic.m
similarity index 82%
rename from Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DBTopic.m
rename to Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Models/DBTopic.m
index ae1d89d6..bdac5472 100644
--- a/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/DBTopic.m
+++ b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Models/DBTopic.m
@@ -32,5 +32,10 @@
 	return @"topicID";
 }
 
+- (NSDictionary*)paramsForSerialization {
+	return [NSDictionary dictionaryWithObjectsAndKeys:
+			self.name, @"topic[name]", nil];
+}
+
 
 @end
diff --git a/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Models/DBUser.h b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Models/DBUser.h
new file mode 100644
index 00000000..f45f67b9
--- /dev/null
+++ b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Models/DBUser.h
@@ -0,0 +1,30 @@
+//
+//  DBUser.h
+//  DiscussionBoard
+//
+//  Created by Jeremy Ellison on 1/10/11.
+//  Copyright 2011 __MyCompanyName__. All rights reserved.
+//
+
+#import <RestKit/RestKit.h>
+#import <RestKit/CoreData/CoreData.h>
+
+@interface DBUser : RKManagedObject {
+	// Transient. Used for login & signup
+	NSString* _password;
+	NSString* _passwordConfirmation;
+}
+
+@property (nonatomic, retain) NSString* email;
+@property (nonatomic, retain) NSString* login;
+// Access Token will only be populated on a logged in user.
+@property (nonatomic, retain) NSString* singleAccessToken;
+@property (nonatomic, retain) NSNumber* userID;
+
+@property (nonatomic, retain) NSString* password;
+@property (nonatomic, retain) NSString* passwordConfirmation;
+
++ (DBUser*)currentUser;
++ (void)logout;
+
+@end
diff --git a/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Models/DBUser.m b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Models/DBUser.m
new file mode 100644
index 00000000..1282bc42
--- /dev/null
+++ b/Examples/RKDiscussionBoardExample/DiscussionBoard/Classes/Models/DBUser.m
@@ -0,0 +1,67 @@
+//
+//  DBUser.m
+//  DiscussionBoard
+//
+//  Created by Jeremy Ellison on 1/10/11.
+//  Copyright 2011 __MyCompanyName__. All rights reserved.
+//
+
+#import "DBUser.h"
+
+
+@implementation DBUser
+
+@dynamic email;
+@dynamic login;
+@dynamic singleAccessToken;
+@dynamic userID;
+
+@synthesize password = _password;
+@synthesize passwordConfirmation = _passwordConfirmation;
+
++ (NSDictionary*)elementToPropertyMappings {
+	return [NSDictionary dictionaryWithKeysAndObjects:
+			@"id",@"userID", 
+			@"email",@"email",
+			@"login",@"login",
+			@"single_access_token",@"singleAccessToken",
+			@"password", @"password",
+			@"password_confirmation", @"passwordConfirmation",
+			nil];
+}
+
++ (NSString*)primaryKeyProperty {
+	return @"userID";
+}
+
++ (DBUser*)currentUser {
+	id	userID = [[NSUserDefaults standardUserDefaults] objectForKey:kCurrentUserIDKey];
+	return [self objectWithPrimaryKeyValue:userID];
+}
+
++ (void)logout {
+	[[NSUserDefaults standardUserDefaults] setValue:nil forKey:kCurrentUserIDKey];
+	[[NSUserDefaults standardUserDefaults] synchronize];
+	[[NSNotificationCenter defaultCenter] postNotificationName:kUserLoggedOutNotificationName object:nil];
+}
+
+- (void)dealloc {
+	[_password release];
+	[_passwordConfirmation release];
+	[super dealloc];
+}
+
+- (NSDictionary*)paramsForSerialization {
+	if (_passwordConfirmation) {
+		return [NSDictionary dictionaryWithObjectsAndKeys:
+				self.email, @"user[email]",
+				self.login, @"user[login]",
+				self.password, @"user[password]",
+				self.passwordConfirmation, @"user[password_confirmation]", nil];
+	}
+	return [NSDictionary dictionaryWithObjectsAndKeys:
+			self.login, @"user[login]",
+			self.password, @"user[password]", nil];
+}
+
+@end
diff --git a/Examples/RKDiscussionBoardExample/DiscussionBoard/DataModel.xcdatamodel/elements b/Examples/RKDiscussionBoardExample/DiscussionBoard/DataModel.xcdatamodel/elements
index 49503f78..93250fa5 100644
Binary files a/Examples/RKDiscussionBoardExample/DiscussionBoard/DataModel.xcdatamodel/elements and b/Examples/RKDiscussionBoardExample/DiscussionBoard/DataModel.xcdatamodel/elements differ
diff --git a/Examples/RKDiscussionBoardExample/DiscussionBoard/DataModel.xcdatamodel/layout b/Examples/RKDiscussionBoardExample/DiscussionBoard/DataModel.xcdatamodel/layout
index 1efa47c4..b43c2ce3 100644
Binary files a/Examples/RKDiscussionBoardExample/DiscussionBoard/DataModel.xcdatamodel/layout and b/Examples/RKDiscussionBoardExample/DiscussionBoard/DataModel.xcdatamodel/layout differ
diff --git a/Examples/RKDiscussionBoardExample/DiscussionBoard/DiscussionBoard.xcodeproj/project.pbxproj b/Examples/RKDiscussionBoardExample/DiscussionBoard/DiscussionBoard.xcodeproj/project.pbxproj
index 2233ea52..6ac012f4 100755
--- a/Examples/RKDiscussionBoardExample/DiscussionBoard/DiscussionBoard.xcodeproj/project.pbxproj
+++ b/Examples/RKDiscussionBoardExample/DiscussionBoard/DiscussionBoard.xcodeproj/project.pbxproj
@@ -12,6 +12,17 @@
 		1D60589F0D05DD5A006BFB54 /* Foundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 1D30AB110D05D00D00671497 /* Foundation.framework */; };
 		1DF5F4E00D08C38300B7A737 /* UIKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 1DF5F4DF0D08C38300B7A737 /* UIKit.framework */; };
 		288765FD0DF74451002DB57D /* CoreGraphics.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 288765FC0DF74451002DB57D /* CoreGraphics.framework */; };
+		3F255A9712DB5F9200AFD2D1 /* DBManagedObjectCache.m in Sources */ = {isa = PBXBuildFile; fileRef = 3F255A9612DB5F9200AFD2D1 /* DBManagedObjectCache.m */; };
+		3F255C9812DB70E200AFD2D1 /* DBPostsTableViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 3F255C9312DB70E200AFD2D1 /* DBPostsTableViewController.m */; };
+		3F255C9912DB70E200AFD2D1 /* DBResourceListTableViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 3F255C9512DB70E200AFD2D1 /* DBResourceListTableViewController.m */; };
+		3F255C9A12DB70E200AFD2D1 /* DBTopicsTableViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 3F255C9712DB70E200AFD2D1 /* DBTopicsTableViewController.m */; };
+		3F255CA012DB70E700AFD2D1 /* DBPost.m in Sources */ = {isa = PBXBuildFile; fileRef = 3F255C9D12DB70E700AFD2D1 /* DBPost.m */; };
+		3F255CA112DB70E700AFD2D1 /* DBTopic.m in Sources */ = {isa = PBXBuildFile; fileRef = 3F255C9F12DB70E700AFD2D1 /* DBTopic.m */; };
+		3F255CA812DB711900AFD2D1 /* DBUser.m in Sources */ = {isa = PBXBuildFile; fileRef = 3F255CA712DB711900AFD2D1 /* DBUser.m */; };
+		3F255CC612DB747C00AFD2D1 /* DBTopicViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 3F255CC512DB747C00AFD2D1 /* DBTopicViewController.m */; };
+		3F255D1E12DB779B00AFD2D1 /* DBLoginViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 3F255D1D12DB779B00AFD2D1 /* DBLoginViewController.m */; };
+		3F3239E112DBB9C600AB2F6E /* DBPostTableViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 3F3239E012DBB9C600AB2F6E /* DBPostTableViewController.m */; };
+		3F3239ED12DBBA8D00AB2F6E /* DBAuthenticatedTableViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 3F3239EC12DBBA8D00AB2F6E /* DBAuthenticatedTableViewController.m */; };
 		3F45615B12D7E31100BE25AD /* libRestKitCoreData.a in Frameworks */ = {isa = PBXBuildFile; fileRef = A7A2D3B512D7822D00683D6F /* libRestKitCoreData.a */; };
 		3F45615D12D7E31600BE25AD /* libRestKitJSONParserYAJL.a in Frameworks */ = {isa = PBXBuildFile; fileRef = A7A2D3B112D7822D00683D6F /* libRestKitJSONParserYAJL.a */; };
 		3F45615E12D7E31700BE25AD /* libRestKitNetwork.a in Frameworks */ = {isa = PBXBuildFile; fileRef = A7A2D3AB12D7822D00683D6F /* libRestKitNetwork.a */; };
@@ -24,20 +35,23 @@
 		3F4562D012D7E50A00BE25AD /* libThree20Style-Xcode3.2.5.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 3F45625A12D7E47000BE25AD /* libThree20Style-Xcode3.2.5.a */; };
 		3F4562D112D7E50C00BE25AD /* libThree20UI-Xcode3.2.5.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 3F45629012D7E47000BE25AD /* libThree20UI-Xcode3.2.5.a */; };
 		3F4562D212D7E50F00BE25AD /* libThree20UICommon-Xcode3.2.5.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 3F45626C12D7E47000BE25AD /* libThree20UICommon-Xcode3.2.5.a */; };
-		3F4563C212D7EA3500BE25AD /* DBPost.m in Sources */ = {isa = PBXBuildFile; fileRef = 3F4563C112D7EA3500BE25AD /* DBPost.m */; };
 		3F76BBD612D7DA9D001562DC /* DataModel.xcdatamodel in Sources */ = {isa = PBXBuildFile; fileRef = 3F76BBD512D7DA9D001562DC /* DataModel.xcdatamodel */; };
-		3F76BBF812D7DB5A001562DC /* DBTopicsTableViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 3F76BBF712D7DB5A001562DC /* DBTopicsTableViewController.m */; };
-		3FB1FC3712D7ECDF00B2636A /* DBPostsTableViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 3FB1FC3612D7ECDF00B2636A /* DBPostsTableViewController.m */; };
 		A7A2D33A12D780DD00683D6F /* QuartzCore.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = A7A2D33912D780DD00683D6F /* QuartzCore.framework */; };
 		A7A2D3C412D7829E00683D6F /* CFNetwork.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = A7A2D3C312D7829E00683D6F /* CFNetwork.framework */; };
 		A7A2D3C612D7829E00683D6F /* CoreData.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = A7A2D3C512D7829E00683D6F /* CoreData.framework */; };
 		A7A2D3C812D7829E00683D6F /* MobileCoreServices.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = A7A2D3C712D7829E00683D6F /* MobileCoreServices.framework */; };
 		A7A2D3CA12D7829E00683D6F /* SystemConfiguration.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = A7A2D3C912D7829E00683D6F /* SystemConfiguration.framework */; };
 		A7A2D47812D7849300683D6F /* DBEnvironment.m in Sources */ = {isa = PBXBuildFile; fileRef = A7A2D47712D7849300683D6F /* DBEnvironment.m */; };
-		A7A2D49F12D78DA500683D6F /* DBTopic.m in Sources */ = {isa = PBXBuildFile; fileRef = A7A2D49E12D78DA500683D6F /* DBTopic.m */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
+		3F2562F812DBA4C800AFD2D1 /* PBXContainerItemProxy */ = {
+			isa = PBXContainerItemProxy;
+			containerPortal = A7A2D39412D7822C00683D6F /* RestKit.xcodeproj */;
+			proxyType = 1;
+			remoteGlobalIDString = 2523360411E79F090048F9B4;
+			remoteInfo = RestKitThree20;
+		};
 		3F45614B12D7E2C500BE25AD /* PBXContainerItemProxy */ = {
 			isa = PBXContainerItemProxy;
 			containerPortal = A7A2D39412D7822C00683D6F /* RestKit.xcodeproj */;
@@ -462,6 +476,28 @@
 		288765FC0DF74451002DB57D /* CoreGraphics.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = CoreGraphics.framework; path = System/Library/Frameworks/CoreGraphics.framework; sourceTree = SDKROOT; };
 		29B97316FDCFA39411CA2CEA /* main.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = main.m; sourceTree = "<group>"; };
 		32CA4F630368D1EE00C91783 /* DiscussionBoard_Prefix.pch */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = DiscussionBoard_Prefix.pch; sourceTree = "<group>"; };
+		3F255A9512DB5F9200AFD2D1 /* DBManagedObjectCache.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = DBManagedObjectCache.h; sourceTree = "<group>"; };
+		3F255A9612DB5F9200AFD2D1 /* DBManagedObjectCache.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = DBManagedObjectCache.m; sourceTree = "<group>"; };
+		3F255C9212DB70E200AFD2D1 /* DBPostsTableViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = DBPostsTableViewController.h; sourceTree = "<group>"; };
+		3F255C9312DB70E200AFD2D1 /* DBPostsTableViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = DBPostsTableViewController.m; sourceTree = "<group>"; };
+		3F255C9412DB70E200AFD2D1 /* DBResourceListTableViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = DBResourceListTableViewController.h; sourceTree = "<group>"; };
+		3F255C9512DB70E200AFD2D1 /* DBResourceListTableViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = DBResourceListTableViewController.m; sourceTree = "<group>"; };
+		3F255C9612DB70E200AFD2D1 /* DBTopicsTableViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = DBTopicsTableViewController.h; sourceTree = "<group>"; };
+		3F255C9712DB70E200AFD2D1 /* DBTopicsTableViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = DBTopicsTableViewController.m; sourceTree = "<group>"; };
+		3F255C9C12DB70E700AFD2D1 /* DBPost.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = DBPost.h; sourceTree = "<group>"; };
+		3F255C9D12DB70E700AFD2D1 /* DBPost.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = DBPost.m; sourceTree = "<group>"; };
+		3F255C9E12DB70E700AFD2D1 /* DBTopic.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = DBTopic.h; sourceTree = "<group>"; };
+		3F255C9F12DB70E700AFD2D1 /* DBTopic.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = DBTopic.m; sourceTree = "<group>"; };
+		3F255CA612DB711900AFD2D1 /* DBUser.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = DBUser.h; sourceTree = "<group>"; };
+		3F255CA712DB711900AFD2D1 /* DBUser.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = DBUser.m; sourceTree = "<group>"; };
+		3F255CC412DB747C00AFD2D1 /* DBTopicViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = DBTopicViewController.h; sourceTree = "<group>"; };
+		3F255CC512DB747C00AFD2D1 /* DBTopicViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = DBTopicViewController.m; sourceTree = "<group>"; };
+		3F255D1C12DB779B00AFD2D1 /* DBLoginViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = DBLoginViewController.h; sourceTree = "<group>"; };
+		3F255D1D12DB779B00AFD2D1 /* DBLoginViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = DBLoginViewController.m; sourceTree = "<group>"; };
+		3F3239DF12DBB9C600AB2F6E /* DBPostTableViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = DBPostTableViewController.h; sourceTree = "<group>"; };
+		3F3239E012DBB9C600AB2F6E /* DBPostTableViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = DBPostTableViewController.m; sourceTree = "<group>"; };
+		3F3239EB12DBBA8D00AB2F6E /* DBAuthenticatedTableViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = DBAuthenticatedTableViewController.h; sourceTree = "<group>"; };
+		3F3239EC12DBBA8D00AB2F6E /* DBAuthenticatedTableViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = DBAuthenticatedTableViewController.m; sourceTree = "<group>"; };
 		3F45621812D7E46F00BE25AD /* Three20Core.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = Three20Core.xcodeproj; path = ../../../../three20/src/Three20Core/Three20Core.xcodeproj; sourceTree = SOURCE_ROOT; };
 		3F45621B12D7E46F00BE25AD /* Three20Network.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = Three20Network.xcodeproj; path = ../../../../three20/src/Three20Network/Three20Network.xcodeproj; sourceTree = SOURCE_ROOT; };
 		3F45621E12D7E46F00BE25AD /* Three20Style.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = Three20Style.xcodeproj; path = ../../../../three20/src/Three20Style/Three20Style.xcodeproj; sourceTree = SOURCE_ROOT; };
@@ -469,13 +505,7 @@
 		3F45622412D7E46F00BE25AD /* Three20UINavigator.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = Three20UINavigator.xcodeproj; path = ../../../../three20/src/Three20UINavigator/Three20UINavigator.xcodeproj; sourceTree = SOURCE_ROOT; };
 		3F45622712D7E46F00BE25AD /* Three20UI.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = Three20UI.xcodeproj; path = ../../../../three20/src/Three20UI/Three20UI.xcodeproj; sourceTree = SOURCE_ROOT; };
 		3F45622A12D7E46F00BE25AD /* Three20.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = Three20.xcodeproj; path = ../../../../three20/src/Three20/Three20.xcodeproj; sourceTree = SOURCE_ROOT; };
-		3F4563C012D7EA3500BE25AD /* DBPost.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = DBPost.h; sourceTree = "<group>"; };
-		3F4563C112D7EA3500BE25AD /* DBPost.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = DBPost.m; sourceTree = "<group>"; };
 		3F76BBD512D7DA9D001562DC /* DataModel.xcdatamodel */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = wrapper.xcdatamodel; path = DataModel.xcdatamodel; sourceTree = "<group>"; };
-		3F76BBF612D7DB5A001562DC /* DBTopicsTableViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = DBTopicsTableViewController.h; sourceTree = "<group>"; };
-		3F76BBF712D7DB5A001562DC /* DBTopicsTableViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = DBTopicsTableViewController.m; sourceTree = "<group>"; };
-		3FB1FC3512D7ECDF00B2636A /* DBPostsTableViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = DBPostsTableViewController.h; sourceTree = "<group>"; };
-		3FB1FC3612D7ECDF00B2636A /* DBPostsTableViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = DBPostsTableViewController.m; sourceTree = "<group>"; };
 		8D1107310486CEB800E47090 /* DiscussionBoard-Info.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; path = "DiscussionBoard-Info.plist"; plistStructureDefinitionIdentifier = "com.apple.xcode.plist.structure-definition.iphone.info-plist"; sourceTree = "<group>"; };
 		A7A2D33912D780DD00683D6F /* QuartzCore.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = QuartzCore.framework; path = System/Library/Frameworks/QuartzCore.framework; sourceTree = SDKROOT; };
 		A7A2D39412D7822C00683D6F /* RestKit.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = RestKit.xcodeproj; path = ../../../RestKit.xcodeproj; sourceTree = SOURCE_ROOT; };
@@ -485,8 +515,6 @@
 		A7A2D3C912D7829E00683D6F /* SystemConfiguration.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = SystemConfiguration.framework; path = System/Library/Frameworks/SystemConfiguration.framework; sourceTree = SDKROOT; };
 		A7A2D47612D7849300683D6F /* DBEnvironment.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = DBEnvironment.h; sourceTree = "<group>"; };
 		A7A2D47712D7849300683D6F /* DBEnvironment.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = DBEnvironment.m; sourceTree = "<group>"; };
-		A7A2D49D12D78DA500683D6F /* DBTopic.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = DBTopic.h; sourceTree = "<group>"; };
-		A7A2D49E12D78DA500683D6F /* DBTopic.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = DBTopic.m; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -523,18 +551,14 @@
 		080E96DDFE201D6D7F000001 /* Classes */ = {
 			isa = PBXGroup;
 			children = (
+				3F255C9B12DB70E700AFD2D1 /* Models */,
+				3F255C9112DB70E200AFD2D1 /* Controllers */,
 				1D3623240D0F684500981E51 /* DiscussionBoardAppDelegate.h */,
 				1D3623250D0F684500981E51 /* DiscussionBoardAppDelegate.m */,
 				A7A2D47612D7849300683D6F /* DBEnvironment.h */,
 				A7A2D47712D7849300683D6F /* DBEnvironment.m */,
-				A7A2D49D12D78DA500683D6F /* DBTopic.h */,
-				A7A2D49E12D78DA500683D6F /* DBTopic.m */,
-				3F76BBF612D7DB5A001562DC /* DBTopicsTableViewController.h */,
-				3F76BBF712D7DB5A001562DC /* DBTopicsTableViewController.m */,
-				3F4563C012D7EA3500BE25AD /* DBPost.h */,
-				3F4563C112D7EA3500BE25AD /* DBPost.m */,
-				3FB1FC3512D7ECDF00B2636A /* DBPostsTableViewController.h */,
-				3FB1FC3612D7ECDF00B2636A /* DBPostsTableViewController.m */,
+				3F255A9512DB5F9200AFD2D1 /* DBManagedObjectCache.h */,
+				3F255A9612DB5F9200AFD2D1 /* DBManagedObjectCache.m */,
 			);
 			path = Classes;
 			sourceTree = "<group>";
@@ -593,6 +617,40 @@
 			name = Frameworks;
 			sourceTree = "<group>";
 		};
+		3F255C9112DB70E200AFD2D1 /* Controllers */ = {
+			isa = PBXGroup;
+			children = (
+				3F255C9212DB70E200AFD2D1 /* DBPostsTableViewController.h */,
+				3F255C9312DB70E200AFD2D1 /* DBPostsTableViewController.m */,
+				3F255C9412DB70E200AFD2D1 /* DBResourceListTableViewController.h */,
+				3F255C9512DB70E200AFD2D1 /* DBResourceListTableViewController.m */,
+				3F255C9612DB70E200AFD2D1 /* DBTopicsTableViewController.h */,
+				3F255C9712DB70E200AFD2D1 /* DBTopicsTableViewController.m */,
+				3F255CC412DB747C00AFD2D1 /* DBTopicViewController.h */,
+				3F255CC512DB747C00AFD2D1 /* DBTopicViewController.m */,
+				3F255D1C12DB779B00AFD2D1 /* DBLoginViewController.h */,
+				3F255D1D12DB779B00AFD2D1 /* DBLoginViewController.m */,
+				3F3239DF12DBB9C600AB2F6E /* DBPostTableViewController.h */,
+				3F3239E012DBB9C600AB2F6E /* DBPostTableViewController.m */,
+				3F3239EB12DBBA8D00AB2F6E /* DBAuthenticatedTableViewController.h */,
+				3F3239EC12DBBA8D00AB2F6E /* DBAuthenticatedTableViewController.m */,
+			);
+			path = Controllers;
+			sourceTree = "<group>";
+		};
+		3F255C9B12DB70E700AFD2D1 /* Models */ = {
+			isa = PBXGroup;
+			children = (
+				3F255C9C12DB70E700AFD2D1 /* DBPost.h */,
+				3F255C9D12DB70E700AFD2D1 /* DBPost.m */,
+				3F255C9E12DB70E700AFD2D1 /* DBTopic.h */,
+				3F255C9F12DB70E700AFD2D1 /* DBTopic.m */,
+				3F255CA612DB711900AFD2D1 /* DBUser.h */,
+				3F255CA712DB711900AFD2D1 /* DBUser.m */,
+			);
+			path = Models;
+			sourceTree = "<group>";
+		};
 		3F45621912D7E46F00BE25AD /* Products */ = {
 			isa = PBXGroup;
 			children = (
@@ -730,6 +788,7 @@
 			dependencies = (
 				3F45614C12D7E2C500BE25AD /* PBXTargetDependency */,
 				3F45615212D7E2D900BE25AD /* PBXTargetDependency */,
+				3F2562F912DBA4C800AFD2D1 /* PBXTargetDependency */,
 				3F4562BD12D7E4D000BE25AD /* PBXTargetDependency */,
 				3F4562C112D7E4DE00BE25AD /* PBXTargetDependency */,
 				3F4562C312D7E4E200BE25AD /* PBXTargetDependency */,
@@ -1172,17 +1231,29 @@
 				1D60589B0D05DD56006BFB54 /* main.m in Sources */,
 				1D3623260D0F684500981E51 /* DiscussionBoardAppDelegate.m in Sources */,
 				A7A2D47812D7849300683D6F /* DBEnvironment.m in Sources */,
-				A7A2D49F12D78DA500683D6F /* DBTopic.m in Sources */,
 				3F76BBD612D7DA9D001562DC /* DataModel.xcdatamodel in Sources */,
-				3F76BBF812D7DB5A001562DC /* DBTopicsTableViewController.m in Sources */,
-				3F4563C212D7EA3500BE25AD /* DBPost.m in Sources */,
-				3FB1FC3712D7ECDF00B2636A /* DBPostsTableViewController.m in Sources */,
+				3F255A9712DB5F9200AFD2D1 /* DBManagedObjectCache.m in Sources */,
+				3F255C9812DB70E200AFD2D1 /* DBPostsTableViewController.m in Sources */,
+				3F255C9912DB70E200AFD2D1 /* DBResourceListTableViewController.m in Sources */,
+				3F255C9A12DB70E200AFD2D1 /* DBTopicsTableViewController.m in Sources */,
+				3F255CA012DB70E700AFD2D1 /* DBPost.m in Sources */,
+				3F255CA112DB70E700AFD2D1 /* DBTopic.m in Sources */,
+				3F255CA812DB711900AFD2D1 /* DBUser.m in Sources */,
+				3F255CC612DB747C00AFD2D1 /* DBTopicViewController.m in Sources */,
+				3F255D1E12DB779B00AFD2D1 /* DBLoginViewController.m in Sources */,
+				3F3239E112DBB9C600AB2F6E /* DBPostTableViewController.m in Sources */,
+				3F3239ED12DBBA8D00AB2F6E /* DBAuthenticatedTableViewController.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
 /* End PBXSourcesBuildPhase section */
 
 /* Begin PBXTargetDependency section */
+		3F2562F912DBA4C800AFD2D1 /* PBXTargetDependency */ = {
+			isa = PBXTargetDependency;
+			name = RestKitThree20;
+			targetProxy = 3F2562F812DBA4C800AFD2D1 /* PBXContainerItemProxy */;
+		};
 		3F45614C12D7E2C500BE25AD /* PBXTargetDependency */ = {
 			isa = PBXTargetDependency;
 			name = RestKit;
diff --git a/Examples/RKDiscussionBoardExample/discussion_board_backend/app/controllers/application_controller.rb b/Examples/RKDiscussionBoardExample/discussion_board_backend/app/controllers/application_controller.rb
index cf767f18..81b4d82b 100644
--- a/Examples/RKDiscussionBoardExample/discussion_board_backend/app/controllers/application_controller.rb
+++ b/Examples/RKDiscussionBoardExample/discussion_board_backend/app/controllers/application_controller.rb
@@ -8,7 +8,7 @@ class ApplicationController < ActionController::Base
     token = request.headers["HTTP_USER_ACCESS_TOKEN"]
     @user = User.find_by_single_access_token(token)
     if @user.nil?
-      render :json => {:error => "Invalid Access Token"}
+      render :json => {:error => "Invalid Access Token"}, :status => 401
     end
   end
   
diff --git a/Examples/RKDiscussionBoardExample/discussion_board_backend/app/controllers/topics_controller.rb b/Examples/RKDiscussionBoardExample/discussion_board_backend/app/controllers/topics_controller.rb
index b69b0623..c1a1dabe 100644
--- a/Examples/RKDiscussionBoardExample/discussion_board_backend/app/controllers/topics_controller.rb
+++ b/Examples/RKDiscussionBoardExample/discussion_board_backend/app/controllers/topics_controller.rb
@@ -28,7 +28,7 @@ class TopicsController < ApplicationController
   
   def requre_owner
     unless @user == object.user
-      render :json => {:error => "Unauthorized"}
+      render :json => {:error => "Unauthorized"}, :status => 401
     end
   end
   
diff --git a/Examples/RKDiscussionBoardExample/discussion_board_backend/app/controllers/users_controller.rb b/Examples/RKDiscussionBoardExample/discussion_board_backend/app/controllers/users_controller.rb
index 904fa518..5cb60c8f 100644
--- a/Examples/RKDiscussionBoardExample/discussion_board_backend/app/controllers/users_controller.rb
+++ b/Examples/RKDiscussionBoardExample/discussion_board_backend/app/controllers/users_controller.rb
@@ -3,21 +3,21 @@ class UsersController < ApplicationController
   
   def login
     # this method logs you in and returns you a single_access_token token for authentication.
-    user_session = UserSession.new(params)
+    user_session = UserSession.new(params[:user])
     if user_session.save
       user = user_session.user
-      render :json => {:login => user.login, :single_access_token => user.single_access_token, :user_id => user.id}
+      render :json => {:login => user.login, :single_access_token => user.single_access_token, :id => user.id, :email => user.email}
     else
-      render :json => {:error => "Invalid Login"}
+      render :json => {:error => "Invalid Login"}, :status => 401
     end
   end
   
   def signup
     user = User.new(params[:user])
     if user.save
-      render :json => {:login => user.login, :single_access_token => user.single_access_token, :user_id => user.id}
+      render :json => {:login => user.login, :single_access_token => user.single_access_token, :id => user.id, :email => user.email}
     else
-      render :json => {:errors => user.errors.full_messages}
+      render :json => {:errors => user.errors.full_messages}, :status => 422
     end
   end
   
diff --git a/Examples/RKDiscussionBoardExample/discussion_board_backend/app/models/topic.rb b/Examples/RKDiscussionBoardExample/discussion_board_backend/app/models/topic.rb
index 37f02fd1..96264c4f 100644
--- a/Examples/RKDiscussionBoardExample/discussion_board_backend/app/models/topic.rb
+++ b/Examples/RKDiscussionBoardExample/discussion_board_backend/app/models/topic.rb
@@ -1,4 +1,7 @@
 class Topic < ActiveRecord::Base
   belongs_to :user
   has_many :posts
+  
+  validates_presence_of :name
+  validates_presence_of :user
 end
diff --git a/Examples/RKDiscussionBoardExample/discussion_board_backend/app/models/user.rb b/Examples/RKDiscussionBoardExample/discussion_board_backend/app/models/user.rb
index 88b5a99c..e9906940 100644
--- a/Examples/RKDiscussionBoardExample/discussion_board_backend/app/models/user.rb
+++ b/Examples/RKDiscussionBoardExample/discussion_board_backend/app/models/user.rb
@@ -1,4 +1,6 @@
 class User < ActiveRecord::Base
   acts_as_authentic
+  validates_presence_of :login
+  validates_presence_of :email
   
 end