“The [Nikon] D800 also excels in areas that require no extra effort on your part; notably its impressive high ISO performance, fast and accurate AF system and the wide dynamic range of its image files.“
DPReview has published their review of the full-frame Nikon D800 with 36.3MP (35.9 x 24.0 mm CMOS sensor FX format), 51-point AF system, 3.2-in. (921k-dot) LCD, Eye-level pentaprism single-lens reflex viewfinder, Shutter Speed 1/8,000 to 30 sec. plus bulb, Continuous shooting 5fps, MUP (mirror up), Picture Control System, PASM, Advanced Scene Recognition System, RAW, ISO 100 to 6400 (expandable from ISO 50 to ISO 25600 equivalent), i-TTL balanced fill-flash and Active D-Lighting, Live View, and Full HD 1,920 x 1,080 30p/25p/24p with built-in monaural (or optional external stereo) microphone. The D800 has dual card slots and accepts Type I CompactFlash memory cards (UDMA compliant).
Read the Nikon D800 Review @ DPReview.