Today Soma announced that VS 2010 and .Net FX 4 Beta 1 has shipped. If you are a MSDN/Technet subscriber you can download right now. The rest of us can download the bits on Wednesday.

Subscriber download page for VS 2010:

http://msdn.microsoft.com/en-us/subscriptions/downloads/default.aspx?pv=18:370

For more details visit the  Visual Studio 2010 Product Page