I'm going to be kind of disappointed when the 5DIII comes out and I have to go back to threads that endlessly debate megapixels, sensor size, and ISO noise.
Really though, I Keep thinking that all Canon really needs to do with the next 5D to make still photographers happy is put the 7D autofocus system in it and call it good. Oh...and put out a new battery grip that has a wheel on it. Which means they need to change the specs enough so that the old grip won't work with the new model and maybe you need new batteries as well. (Yes, they may throw in a few other bells and whistles, but no "game changers")
I can hold firmly to this position until the 5DIII is announced and I'm proven wrong. But, here is my logic:
- Hardly anyone complains about anything except the autofocus;
- There has to be enough room between the 5DIII and the 1Dx to justify the cost differential;
- Ultra-high ISO speeds are a necessity for the 1Dx market, but an option for most 5DIII users;
- Bomb-proof construction and weather-sealing is a necessity for the 1Dx market, but an option for most 5DIII users.
If Canon is truly interested in moving APS-C customers up to full frame, this offers an affordable path, since the price can be kept at or close to the 5DII's price.
I still think that any big changes in the 5DIII will be concentrated in the video realm. I think Canon sees video as the growth market. (Their recent product releases indicate that). I firmly believe Canon had no idea how popular the 5DII would be for video. They are now watching the massive growth in internet and independent video and comparing that to the anemic growth in DSLR sales. They know that they currently own the DSLR video market and want to protect that market. (Face it guys: we still DSLR photographers are dinosaurs)
So, my logic: give the still photographers the minimum that they want: better autofocus; and give videographers more than they hoped for.