Silverlight 5 Beta Is Available For Download

Silverlight 5 continues the pace of rapid innovation, building on Silverlight 4's capabilities in the areas of rich applications and premium media experiences. With over 40 new features, the Silverlight 5 beta highlights dramatic video quality and performance improvements, as well as new capabilities that improve developer productivity.
More Info: http://www.silverlight.net/getstarted/silverlight-5-beta/

Download: Silverlight 5 Beta and Tools