Microsoft announced August 11 availability of the following new downloads.

• Microsoft Visual Studio 2008 Service Pack 1
• Microsoft .NET Framework 3.5 Service Pack 1

Silverlight developers should also update the Silverlight Tools.

VS 2008 includes the following technologies:

• Silverlight 2 SDK Beta 2 and Tools
• MVC Preview Release #3
• ASP.NET Extensions / Dynamic Data Preview
• VC 2008 Feature Pack
• VB PowerPack Controls
• Expression Studio 2
• SQL Server 2008
• .Net Framework 3.5 SDK
• XSLT Profiler
• VISTA 2.0 SDK
• Visual Studio 2008 SDK

.Net 3.5 SP 1 includes the following features and improvements

• ASP.NET Dynamic Data
• Core CLR improvements of images, strong name verification, better startup performance and better generated code
• WPF performance improvements
• The Entity Framework
• LING to SQL support for date and file stream
• ADO.NET Data Services Framework
• WCF improvements

Update: The VS 2008 SP 1 installation package installs .Net Framework 3.5 SP 1.