hmmmm ok I must have read wrong then. I was under the impression even the 20mp back was a larger sensor and had a lot more detail and color depth than even a full frame DSLR.
So then what will the medium format with a 20/30mp back do for me that a 5d3 couldn't?
EDIT: just noticed the size comparison I saw was a FF, P40 (though was 20), P45 and P60
http://photo.tutsplus.com/articles/h...format-camera/