Url: http://silverlight.net/GetStarted/

In case you don’t subscribe to their blogs, Microsoft has released an RC of Silverlight 1.0 and a new updated Alpha of Silverlight 1.1.  Included in this drop are updates to tools and such.  Inlcuded are:

For Silverlight 1.0:

• Silverlight 1.0 RC Runtime
• Silverlight 1.0 RC SDK

For Silverlight 1.1:

• Silverlight 1.1 Alpha Update Runtime
• Silverlight 1.1 Templates for Visual Studio 2008 Beta 2
• Silverlight 1.1 Alpha Update SDK
• Updated ASP.NET Futures Package

Expression Tool Updates for both versions:

• Updated Expression Blend 2 Preview
• Updated Expression Media Encoder

See the Silverlight Getting Started page for links to all new downloads!