Installed it, failed! Installed .net framework 3.5 by myself. Tried to install again, worked like a charm!
Made a one button application, called a webservice. Green lights all the way. My test phase of Visual Studio is complete!

Send your own feedback on the installation to the team: http://blogs.msdn.com/aaronru/archive/2007/11/30/looking-to-improve-the-visual-studio-user-experience.aspx