According to Nikon Rumors the Nikon D800 is expected to arrive at Feb 7, 2012 shipments will begin a few weeks after this date and Nikon new range of coolpix expected announcement date is Feb 2, 2012.
A quick reminder to the rumored specification of Nikon D800 is
36MP full-frame image sensor,
Expeed 3 image processor,
100 to 6,400 ISO Expandable ISO range 50 – 25,600,
51-point AF system
CF+SD memory card slots
USB 3.0
4 fps continuous shooting, about 6 fps in DX mode with optional battery pack
Video modes: 1080p/30/25/24 and 720p/60/30/25/24
Headphone jack, can input from an external device such as a PCM sound recorder
The first High ISO test of Nikon D4 with D3 published at mgphotographer, Before you jump to any decision please note that the D4 used in the comparison is loaded with a BETA firmware, so final firmware version of Nikon D4 may have some better performance, the images taken with the D3 (12 Mp) are in the left side and the crop is somehow “smaller” because of the resolution difference between the 2 cameras.
Nikon D3 vs D4 High ISO test, performance of D4 look similar to Nikon D3 DSLR.
According to Service Photo shop of in Baltimore, Maryland, It says that both the Nikon D800 36MP and D4 of 16MP will become available from March 30, 2012.
The information appeared in the official online store of service photo may be right, since the shop supplies a very wide range of photographic equipment, including the professional DSLR and accessories.
Nikon Rumor today also published some high ISO cropped Samples of Nikon D800, however no exif details are attached with the crop samples,
According to NR
I have mentioned before that I have several samples taken with the upcoming Nikon D800 camera. The TIFF files produced by the Nikon D800 are around 103 MB…..Unfortunately I cannot publish the entire images online but I can show you few JPG crops taken at different ISO settings.
The samples are copped area of some solid part and its hard to predict the quality of image coming from a pre-production Model, but the details become flat at ISO 1400 and Noise is visible from ISO 3200.
One Sep 29, we have published the news / rumor – Nikon D800 is coming with 36 Megapixel on Oct 26, and Nikon D4 is coming on Feb 2012 with 18 Megapixel sensor, now some bad news 🙁 The Nikon D800 announcement or availability will be delayed due to flood in Thailand, According to current news / rumors coming above the surface.
According to chassimages (translated by Google – see here )
Already, two major product launches that were planned for the coming weeks, are reported immediately, recently announced products will experience substantial delays and production of many facilities has ceased.
According to Digicam-info (translated by Google – see here)
Nikon’s product supply almost completely stopped (according to information from other readers, the supply of equipment such as single-digit D is fine), so that the impact on existing products as well as new product It is a worry.
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According to Nikon Rumors the Nikon D800 is expected to arrive at Feb 7, 2012 shipments will begin a few weeks after this date and Nikon new range of coolpix expected announcement date is Feb 2, 2012.
One Sep 29, we have 
