UPDATE!

:
New/updated Nikon D600 specifications | Nikon Rumors
New/updated Nikon D600 specifications:
[*]24.7MP full frame sensor
[*]Weight: 760g (850g with battery and memory cards), the D800 weights 900g
[*]3.2" LCD with 921K dot with ambient sensor control
[*]HDMI output
[*]Video compression: H264/MPEG-4
[*]Full HD with 30p, 25p, 24p, HD with 60p, 50p, 30p, 25p
[*]Viewfinder coverage: 100% for FX , 97% for Dx
[*]The Nikon D600 will have built-in AF motor
[*]The body most probably will be weather sealed
[*]The D600 may not have built-in GPS as initially reported
[*]ISO range: 100-6400 (with Lo-1 ISO 50 and Hi-2 ISO 25,600)
[*]39 AF points (with an option of 11 AF points), 9 cross-type AF points
[*]AF face detection
[*]Exposure compensation: ±5 EV (same as the D800)
[*]The D600 will probably use the EN-EL15 rechargeable Li-ion battery