Visual Studio 2010 Version Comparison
It's official that Microsoft plans to release Visual Studio 2010 / .NET 4.0 in March 2010. I found this link helpful in determining the difference between the VS 2010, Professional, Premium and Ultimate versions:
http://www.microsoft.com/visualstudio/en-us/products/2010/default.mspx
Best Regards,
Kevin McNeish
Chief Software Architect - MM .NET Application Framework
INETA Speaker
www.oakleafsd.com