Disabling the all capital menus in Visual Studio 2012
Personally, I am alright with the UI conventions throughout the latest Visual Studio 2012 Release Candidate. But I have heard a number of vocal people complain they don't like Visual Studio "shouting" at them all the time.
Richard banks has posted details on how you can turn off the capitalisation throughout the menus.
http://www.richard-banks.org/2012/06/how-to-prevent-visual-studio-2012-all.html