Good to see the Visual Studio 2012 team get update 1 out the door. I'm using it now and am pretty happy with it.
I like the way that the tools are now being updated out of band. Hopefully, the SQL BI folk will get their templates updated to VS2012 soon too.
You can get it here: http://www.microsoft.com/visualstudio/eng/downloads#d-visual-studio-2012-update
Detailed list of what's changed is here: http://blogs.msdn.com/b/visualstudioalm/archive/2012/11/26/visual-studio-and-team-foundation-server-2012-update-1-now-available.aspx