idk, 7.5 fps sounds like wishful thinking, especially coupled with a good AF.
also given the very high resolution of the D800, I don't suppose canon is going to price the new 5 at the same level?
but then if prices of D800 and 5 are the same (more than $2500), my guess is that D800 will be better (D700 only had no resolution and no video, but now sides are reversed). so either the new 5 has incredible image quality (doubt it), or the D800 will just be better.
but this means that canon may have to price it lower (which is fine for me). in this case though, the high fps count and the supposedly good AF means it would take away sales from the 1DX because the price difference would be huge.
Then there's something wrong somewhere in what I wrote.
my guess is exactly fps.
oh btw more than gps it'd be cool to have integrated wifi. in a lot of situations wifi is enough to determine position. but it's also useful for other stuff.
edit: oh I just saw the D800 will have 4fps.. uhh yeah then a higher fps would make some sense for the 5. but it'd still need to be priced lower.
I mean I don't want to repeat myself but I expect the sensor on the D800 to be at least as good as the one on the 5. probably better. possibly much better.