With MIX, and meeting the announced MVC roadmap, the new versions of AS.NET Extensions are now publicly available.ASP.NET MVC Framework Preview 2 is available also as separate download, same as Silverlight 2.0 BETA 1 (and Expression studio, Silverlight VS 2008 Tools).

Download Links:

• ASP.NET 3.5 Extensions Preview 2
• ASP.NET MVC Preview 2
• Silverlight 2 Beta 1
  • Expression Studio 2.0 Beta
  • Silverlight 2.0 Tools Beta 1 for Visual Studio 2008
  • UPDATE: Silverlight 2.0 Beta 1 SDK
• UPDATE: Internet Explorer 8 Beta 1 is also available for download

Additional Resources:

• UPDATE: ASP.NET 3.5 Extensions Quickstarts (Including MVC, Silverlight Controls)
• ASP.NET MVC
  • Official Videos Homepage
  • New Videos (More advanced than the earlier ones)
• Silverlight
  • Feature Matrix: Silverlight 1.0 and 2.0
  • Brad Abrams Silverlight Articles (including Expression Studio and ASP.NET Controls for Silverlight articles)
  • Scott Guthrie Silverlight Articles (The latest two are focused on Silverlight 2.0)
  • UPDATE: Silverlight 2.0 Video tutorials
• Announcements
  • Brad Abrams MVC Preview Announcement
  • UPDATE: IE Blog: Internet Explorer 8 Beta 1 for Developers Now Available

Have fun :)