Videos
WinFX (.NET 3.0) - Windows Presentation Foundation (WPF), InfoCard (Windows CardSpace) & Windows Communication Foundation (WCF)

Training

NETFXGuide
Free Vista / .NET 3.0 E-Learning: All courses listed here
See the New Capabilities: Microsoft .NET Framework 3.0 and Visual Studio 2005: Learn about Windows Presentation Foundation and more new capabilities provided by the .NET Framework 3.0. Free collection from Microsoft Learning. Click here or here.

Get Started With Windows Workflow Foundation: Free clinic from Microsoft Learning: See the functionality and architecture of Windows Workflow Foundation, and learn how to use it with Visual Studio 2005 to build workflow-enabled applications. Click here.
Introduction to Developing with Windows Communication Foundation and Visual Studio 2005: Free clinic from Microsoft Learning: Learn how to create Windows Communication Foundation (WCF) services and clients, and enhance WCF services. Click here.
.NET University Hands on Labs
.NET University schedule

WPF

WPF Blogs

The WPF Blog
WPF Community Blog
Expression Team Blog
WPF Visual Designer
XAML Only
Karsten Januszewski
WPF Whitepapers

WPF for Windows Developers
Fundamentals, Data
Graphics and Media
WPF Videos

NY Times Reader demo Karsten Januszewski, a technical evangelist focusing on WPF

Designer Demos
Developer/Designer Workflow in WPF
WPF Presentations
.NET University Windows Presentation Foundation PPTs

WPF Training

Clinic 5135 AE: Introduction to Developing with Windows Presentation Foundation and Visual Studio 2005
Excerpted Invaluable 5 day course from Karsten Januszewski blog post:
1.Watch Developing a WPF Application
2.Michael Wallent's presentation from MIX.
3.Watch A Designer's Overview of WPF
4.Introducing Microsoft Tools for Professional Designers
WPF Sample Applications

Cine.View: A WPF viewing application that exposes the NetFlix catalog and ordering capabilities created by the thirteen23 company. They also have a great viewer for Flickr.
New York Times Reader: A WPF content application that provides a rich browsing and reading experience for the paper's news content online in a Windows application
Karen Corby's Woodgrove Finance application: This is a WPF XAML Browser application that provides rich visualization of stock market data in a multi-paned WPF app that runs in the browser.
More samples
WCF

WCF Blogs

Nicholas Allen’s Blogs, Program Manager - WCF.
Mattavis's WebLog: Migrating .NET Remoting to WCF
WCF Training
Clinic 5137 AE: Introduction to Developing with Windows Communication Foundation and Visual Studio 2005

WCF Whitepapers
MSDN: From .NET Remoting to the Windows Communication Foundation (WCF)

WCF Presentations
.NET University Windows Communication Foundation PPTs

WCF Webcasts

MSDN Architecture Webcast: Using Windows Communication Foundation with BizTalk Server 2006 (Level 200)
MSDN Architecture Webcast: Building Powerful AJAX-Style Solutions with ASP.NET "Atlas" and Windows Communication Foundation (Level 200)
MSDN Webcast: Working with Operations and Calls in Windows Communication Foundation (Level 200)
WCF Videos

MSDN TV: BizTalk Server and Indigo
Laurence Melloul and Craig McMurty: WCF Tracing
WCF Sample Applications
ATLAS.ASP.NET: Using Windows Communication Foundation with "Atlas"

WF

WF Blogs
MasteringBizTalk.com: Using WF to run a page-flow
MSDN Blogs: Windows Workflow Foundation vs BizTalk Server

WF Whitepapers

A look at the BizTalk roadmap
Working with Windows Workflow Foundation in ASP.NET Working with Windows Workflow Foundation in ASP.NET
Windows Workflow Foundation for Web services
Deploy Distributed Business Processes With Windows Workflow And Web Services
WF Training
Clinic 5136 AE: Introduction to Developing with Windows Workflow Foundation and Visual Studio 2005

WF Presentations
.NET University Windows Workflow Foundation PPTs

WF Lab
Ajax based Windows Workflow Designer

WF Videos

WinFX (.NET 3.0) - Workflow Foundation (WF)
MSDN Webcast: Live From Redmond: ASP.NET: An Overview of ASP.NET and Windows Workflow Foundation Integration
CardSpace

CardSpace Whitepapers
Windows Vista Developer Center:A Guide to Supporting InfoCard (now CardSpace) v1.0 Within Web Applications and Browsers.

CardSpace Presentations
.NET University Windows CardSpace PPTs

CardSpace Sample Applications