Best resources to learn WCF RIA Services

Question

What books, videos, articles are you looking at to learn how to use the newly released [WCF RIA Services][1] for Silverlight?

Answer 1

The starting point would be http://www.silverlight.net/getstarted/riaservices/

Sample code: http://code.msdn.microsoft.com/RiaServices

Answer 2

This is a great training course with guided labs about WCF RIA Services with Silverlight 4: http://channel9.msdn.com/learn/courses/Silverlight4/