We have dev qa and prod environments each with its own source control branch. Is there any add ons or macros that could change the Visual Studio window in some noticeable way based upon some type of information in the solution or project file.
I thought of this because when I was a unix system admin and I logged in as root my console font color would change so that at a glance I could tell I was root.
You could try the Productivity Power Tools addin for VS2010. In particular, the
Tab UIfeature in the description: