Still hungry about Framework 3.0 ?
Here is a cool link to a .NET Framework 3.0 training kit for WorkFlow Foundation (WF), Windows Communication Foundation (WCF), and CardSpace including a set of hands-on-labs, demos, and presentations.
It has 13 presentations, 10 labs, and 16 Demos in it.
Get it there :
http://wf.netfx3.com/files/folders/presentations/entry8793.aspx