Today Beta 1 of Visual Studio 2010 and .NET FX 4 are available for download. Use the ASP.NET 4 forum to ask questions about the latest version of ASP.NET and the VS2010 forum to ask questions about the tools. Also, check out the “ASP.NET 4 and Visual Studio 2010 Web Development Beta 1 Overview” whitepaper for more information about the new features in this release.
Source: http://www.asp.net/
