Ok, I'll play. Here are the features/specs I'd be willing to bet on.
Single Processor, Digic 5+ (dual chip is just an added expense, a single 5+ is more than capable)
Single CF card slot (2nd slot = added expense, and pros that use the 7D as a 2nd camera will want compatible cards)
That's it, the two specs I'm willing to bet on.
What I'd like in a 7D Mark II...
New sensor tech, still @ 18mp, better ISO performance (low and high)
The same AF sensor and metering as the 5D3
No pop up flash, but a built in lowlight autofocus assist, and built in radio trigger and control for new Canon Flashes.
That's it, that's what would get me to upgrade from a 7D to a 7D2. An AF sensor that covers almost the entire frame when used with Canon EF lenses would be huge, when the camera senses an EF-S lens it could disable the outer points.
I don't want GPS. WiFi, I can take or leave. I really don't care about video, I absolutely don't want a swivel or touch screen.