I was going to buy this camera from my friend, Paul, but when I tested it the camera froze up. We sent it back to Canon, they fixed it and I bought it. I like the idea of a big, professional, full frame camera for some of the advertising stuff I shoot and I wanted a full frame back-up camera for my Canon 5Dmk2. I shot with the 1DS mk2 on Tues., Thurs. and Friday and I thought I'd throw out a short review of a nearly six year old camera. Not that I think people are going to rush out and buy one but because it is kinda nice and some historic perspective is always fun.