When Silverlight 3 debuted at MIX09, there were a number of places to find information about the new features, so better than others.  Unfortunately I never remembered the sites and always relied on Google to produce the site for me.  This time will be different; this post will serve as my place for SL4 info.

http://silverlight.net/getstarted/silverlight-4-beta/

 
http://blogs.silverlight.net/blogs/jesseliberty/

http://timheuer.com/blog/archive/2009/11/18/whats-new-in-silverlight-4-complete-guide-new-features.aspx

 
http://geekswithblogs.net/WynApseTechnicalMusings/archive/2009/11/18/136394.aspx

http://wildermuth.com/2009/11/18/Silverlight_4_Beta_Announced!

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