I see these comparisons as pretty useless. At the end of the day, it always come down to how does the camera feel in your hand. Every single person is different.
Specifications are specifications, there's nothing too special about them. Really, it comes down to IQ and how does the camera feel in your hands.
The way i see it is, if you don't like the 7D cause it doesn't sit well in your hands, don't buy it. And, same goes for the K-5.
Why would you want to take photos with something you hate holding???????
This whole comparison thing sent me up the wall when i was looking to buy a new camera. I went held a d700, d7000, 60D, 7D, E-5...the only ones that felt good were the 7D and K-5. the IQ and lens quality is better on Pentax...and hey hey...i bought a k-5
When you cut all the crap. It always comes down to the person behind the camera.
(sorry if that sounded a little crass. but all these comparisons are done and dusted...)