Yesterday Visual Studio 2010 Beta1 and .NET FW 4.0 Beta 1 was released and you can download it from here. Download Beta 1.
More about Highlights in VS 2010 Beta1 can found in Jason Blog.
Enhancements in ASP.NET and discussions on latest version here
Feedback, Questions related to VS 2010 can be found here
Next posts I am going to discuss more on the highlights in VS 2010