" The NEX-7 offers significantly improved performance over the NEX-5 in a couple of key areas. Sony claims prefocused shutter release lag of just 0.02 seconds (we measured 0.022s in the lab), which it says is not only five times faster than that of the NEX-5, but the fastest of any
interchangeable lens camera.
Stuff-Review has made a nice little chart that pits the newcomer against the almost established crowd. That's all pretty theoretical though, since 3 of the 4 cameras are practically not available in the majority of the western world:
I wonder what the market would look like right now if the 2 big natural disasters of 2011 didn't occur. There will be another couple of months until Sony can move these babies at significant numbers.
"Why you’d buy the NEX-7: access to E-mount lenses, Carl Zeiss and (via an adaptor) Sony A-mount optics.
Why you wouldn’t: you prefer external control of exposure modes; with lens attached the camera is not pocketable; pricey.