Update: the D5 announcement will be tonight, Nikon New Zealand already posted the info on Facebook.
If Nikon will announce the D5 camera during the CES show, the press release should come out tonight around midnight (EST). I have been receiving conflicting information on the actual release date and on the memory cards configuration inside the D5: the two XQD option is guaranteed, a version with two CF cards was tested but I am not sure if it will be officially announced. The latest updates on the D5 specs are:
The previous set of rumored Nikon D5 specs can be found here.