It's been a fair few months that I have been using Visual Studio 2012 and I must admit that the VS2012 way of working is dawning on me. A lot of features have been moved around and it takes some time to get used to it especially the Team Explorer window. But, once you get the hang of it, you will find that it is a much more productive working environment than the previous versions of Visual Studios.
Below is a great video detailing reasons for the reshuffle in UI and some great tips about improving developer productivity.
Given that most of the developers spend most of their working day using Visual Studio, I would encourage all to view this video.