Make a non bloated version of Visual Studio - Only Solution explorer and intellisence
Today VS includes a whole range of features that I don't use every day. MSTest, TeamCity and Architecture tools just to name a few. It would be nice with a bare bone version of VS - or at least have the potion to never install these features.
Less is more
This uservoice site is for the ASP.NET framework, please submit this feature on visualstudio.codeplex.com