Visual Studio 2010 and .Net 4 Beta will be released to MSDN subscribers today and will be released to the general public this Wednesday, 20th May. If you have an MSDN account you’ll be able to download it in an hour or two. Meanwhile, you can read this post to get an overview of what’s coming in this new release, or you can check out the Microsoft Visual Studio 2010 First Look website.
Update: It’s up now on MSDN and weighs at 1,164.30 MB for the Visual Studio 2010 Professional Beta 1 (x86) DVD ISO. And .NET Framework 4.0 Beta 1 (x86 and x64) is around 158 MB. Get them now!