Sony NEX F3 > A37 .. OSS ... ?
Well you get the bigger body, the better battery life, the phase detect autofocus, the easier to use controls, etc.
Quite a few differences.
I know this is a small leap. but I feel confident for long-term investments with A-Mount lenses. I think the E-Mount is not yet ready for now. I would consider the A37 or A57. thanks for your input.