Just uploaded Part 1 beta of my hands on lab being created for TechEd. 

Recent additions include: Data Binding and Referencing User Controls from Markup.

Download a copy and let me know what you think:

http://203.147.133.54/chass/part_one.xps

 

Of course Part Two and three are still available:

 

Theming XBAP Applications with Expression Blend

Animations and Media with Expression Blend

 

 

And a sample room finished can be seen at:

Sample Room:http://203.147.133.54/chass/room30/Room30.xbap