http://www.gotdotnet.com/codegallery/codegallery.aspx?id=5bef2b5f-476a-488c-8d55-9d41666a36f3

"A new patterns & practices Guidance offering to help you build end to end solutions on the Mobile platform. It includes a port of the Composite UI Application Block to the .NET Compact Framework."

I haven't looked at it yet.  I just came across this and figured I would share.

-Marc