Visual Studio 2010 and .NET Framework 4 Beta 2 For Public
Visual Studio 2010 and .NET Framework 4 focuses on the core pillars of developer experience, support for the latest platforms, targeted experiences for specific application types, and core architecture improvements.
Microsoft Visual Studio 2010 Ultimate Beta 2 - ISO
http://download.microsoft.com/download/F/C/9/FC9131D2-688C-43DC-91CF-53359D4882E7/VS2010B2Ult.iso
Microsoft Visual Studio 2010 Premium Beta 2 – ISO
http://download.microsoft.com/download/9/8/9/989B6C8D-DA2E-4849-A533-69BE52C4C674/VS2010B2Prem1.iso
Microsoft Visual Studio 2010 Professional Beta 2 - ISO
http://download.microsoft.com/download/5/8/A/58ABDB52-684A-4DED-AD14-FD82E9EECAE6/VS2010B2Pro1.iso
More details about Visual Studio 2010
http://msdn.microsoft.com/en-us/vstudio/dd582936.aspx
http://www.microsoft.com/visualstudio/en-us/products/2010/default.mspx