 
Here is Dave Campbell's list with Silverlight Cream top 5 news from last week, May 9-15:
    - Locking and Unlocking controls in a Silverlight LOB Application  
- This Is How LightSwitch Does MVVM  
- A Fluent Backwards Design  
- Working with collections in WCF RIA Services (part 1)  
- Custom Cursors in Silverlight