Update: there is a third button under the Fn1 covered by the finger, more D5 pictures are available here.
Above are the first two pictures of the upcoming Nikon D5 DSLR camera. Compared to the D4s, the new D5 will have a new ISO button on the top plate (instead of MODE), the video record button is moved to the side and there are mic hole above the D5 label. The signature Nikon red swoosh also has a new design. Here is a picture of the D4s for comparison: