Ok, same question - I've had 7D for 2yrs+ and now I would like to go FF. At the moment I'm just hobbyist, so 5d3 is quite off my price range (though it's great body).
My main subject is portrait/fashion photography, so mainly still pictures, or with a little bit of movement. My main concern about 6D is the lack of AF-points sensitivity - only 1 cross-type in 6D vs. all 19 in 7D.
I use non-center af-points quite often as I use high-aperture lenses (50/1.4) and I don't want to loose my focus by recomposing image after focusing.
So is here anybody who really can compare AF on these two specific bodies?