In my opinion, the best camera in order from better to worse
1.GH2
2.Canon t3i
3.Sony NEX-7
The reason I pick GH2 is because of the ease of use, higher resolution, and more adaptable lenses. Canon comes in second because of lenses. Why do you think the NEX-7 is so good? If you want 60 frames per second then get a DSLR, but I think BCC is the way to go.