My wife purchased a 5D3 over the D800. They are obviously both top notch cameras. However, she felt the 5D3 was a more functional camera for use outside the studio (and not landscape). However, the D600 has given her pause and made us feel like we made a mistake in going with Canon. Here's why:First, the D600 is a lot of camera for the money. I think the sensor is slightly better, and otherwise, the camera is 95% as good as the 5D3 for a lot less money.Second, Nikon seems to have upped its game. One reason why my wife chose Canon was that they have a history of being at the leading edge while Nikon always played it safe. (Example, that 12MP is enough cr@p)Third, Canon seems to be really bad at playing catchup. This firmware is an example of a half-ass attempt at rectifying some of their errors.
These firmware changes are a welcome update. But Canon needs to: A) lower the price to $3000. B) Put out the firmware sooner. C) I'd like to see better auto ISO handling.