Silverlight 3 SDK Beta 1 is out
The Silverlight 3 SDK has just been released. It contains online documentation, online samples, libraries and tools for developing Silverlight 3 applications. You can dowload it from here: https://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=d09b6ecf-9a45-4d99-b752-2a330a937bc4