.NET 3.0 Framework Community and Support Resources
With the recent release of the Microsoft .NET Framework 3.0, a community has been established to help you get jump start your .NET 3.0 adventure.
http://www.netfx3.com/
The best thing about this community is the support for each of the key .NET 3.0 technologies including developer support and code samples.
Windows Communication Foundation (Indigo)
http://wcf.netfx3.com
Windows Presentation Foundation
http://wpf.netfx3.com
Windows Workflow Foundation
http://wf.netfx3.com
Windows CardSpace
http://cardspace.netfx3.com
Check it out!