Here's the matrix for comparison:
http://lab.msdn.microsoft.com/vs2005/productinfo/productline/default.aspx
I've tried VB.NET 2003 Standard, and I really wanted a product that combined the 3 "big" languages all together, and let me connect to any data source I want. It looks like this wish was granted.
The one thing that concerns me is "Streamlined user experience". Specifically what does this mean?