Nikon D400 again

PS or real? Full frame? Small body? It does look like the D700, but there are few differences. The back is different too. Maybe a PS combination of several different bodies? Maybe the real deal? So many questions – what say you?

I added the D700 for comparison – I have marked the areas that are different (I am sure I have missed some):

Nikon D400?

Nikon D700 for comparison

Nikon D400?

Nikon D700 for comparison

and the poll: