Microsoft really does a terrible job explaining all the variations of Visual Studio .Net 2008 (and there are many):
- Visual Web Developer 2008 Express Edition
- Visual Basic 2008 Express Edition
- Visual C# 2008 Express Edition
- Visual C++ 2008 Express Edition
- Visual Studio 2008 Standard Edition
- Visual Studio 2008 Professional Edition
- Visual Studio Team System 2008 Architecture Edition
- Visual Studio Team System 2008 Database Edition
- Visual Studio Team System 2008 Development Edition
- Visual Studio Team System 2008 Test Edition
- Visual Studio Team System 2008 Team Suite
After a lot of searching, I finally found this data sheet that explains most of it.
Why this was so hard to find is anyones guess.