Yes, it felt like a very long time since the Firestarter-Event in December last year till now. As promised the Silverlight 5 Beta is available in the first half of 2011, and that’s now. Find the Links to the products below. Be sure to install SP1 of VS2011 first (you find that one here: VS2010SP1)

Silverlight 5 Tools
Dokumentation to Silverlight 5
Microsoft Expression Blend Preview for Silverlight 5

Have fun and enjoy. ;-)