The Nikon D800 will be released at the CP+ show in Japan in February. As reported, The D800 will come in 2 versions, the base model with the Anti-aliasing filter for $3000.00 and one without the Anti-aliasing filter for $3900.00.
Officials have confirmed that the Nikon D800 will be released during the CP+ show in Japan and Available for sale in Mid-March. Prices are said to be $3900.00 for the model without Anti-aliasing filter and $3000.00 for the base model with Anti-aliasing filter model. For the D800 specs and a D700 comparison check here.