Recently I’ve setup Visual Studio on new machine and I wanted to install a few tools, that I am using all the time.
It includes
Resharper,
GhostDoc(aka ctrl-shift-d)
http://visualstudiogallery.msdn.microsoft.com/46A20578-F0D5-4B1E-B55D-F001A6345748
checkin – alternative to VS 2012 pending window ( http://stackoverflow.com/questions/12204845/vs2012-return-to-a-normal-tfs-checkin-window)
Postsharp
See also my old post Tools to debug/Trace ASP.NET applications.(many of them are outdated already)