Visual Studio 2010 and .NET 4 Beta 2
msdn subscribers can download today, general availability is 21st October. Visit the Visual Studio 2010 / .NET Fx 4 Beta site for more information, downloads, forums and to submit feedback.
You’ll also notice that MSDN website has undergone a redesign and MSDN subscribers will also see new benefits such as Azure compute hours, Team Foundation Server and e-learning options.
You can read Soma's blogpost announcing Visual Studio 2010 / .NET Fx 4.