As the main focus of the Visual Studio 2012 is productivity, usability and user experience.
The MTM 2012 RC release takes it further by adding new abilities.
Here short summary of the news:
Moving between Team Projects and Test Plans made easier
Copy link in various activities (Test Case, Test Run)
Assigning configuration made easier
New Exploratory Testing toolbar
New Video Recorder
a Media Foundation based video recorder has been integrated with the product, which means that
you don’t have to install Expression Encoder anymore to create video recordings
during your testing sessions.
You can read the full article in the Visual Studio ALM blog post.
Happy Testing !