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| p.1 #3 · Best Nikon Shooting Video |
The D800 and D4 will be pretty close, but the D4 better (higher ISO and pixel for pixel crop mode).
But neither will be significantly better than the D7000 at low ISOs, since none go higher than 1920x1080 resolution. I disagree strongly that still frames from video is the future, for a variety of reasons, but if that's the route you want to go and want higher than 1080 resolution, you need to look at RED.