So after a lot of thinking and reading and then even more thinking, I decided to sell my 40D, and the 5D (once it gets here), and then just use a 50D as my backup to the 1DsMII. I took it out for it's maiden shoot this weekend, and completely left the 1DsMII in the bag. I wanted to force myself to really push this new one, and not reach for old faithful once the good stuff started happening. Anyway, here are the images, and my review is below:
Review:
The 50D was appealing to me because of the 15mpx on a 1.6 crop factor camera that could fire 6.5 fps. I figured it would be a perfect compliment to the 1DsMII for wildlife photography (instead of a 5d or 5DMII - as I already have a FF CMOS Sensor in the 1Ds). While I liked the 40D, that 10 megapixels always bothered me after seeing what 17 megapixels IQ was like on the 1Ds. I was sure this would be a much closer IQ to the 1Ds than the 40D was. Hence, the move.
Pros: Focusing acquisition is lightning fast. Easily as fast as my 1Ds (maybe even faster). Focusing was accurate, and images were sharp. The body is nice and light, so carrying it as a second body does not weigh you down as much. Setup was easy, and controls are the same as the 40D. All the 40D accessories I had are the same ones used for this (battery grip, etc).
Cons: NOISE!!!! Even at ISO 200, this thing has a lot of noise in the images. I will be going back through my setup to see if I turned something on to have caused it, but it honestly has WAY more noise than my 40D did, and certainly more than my 1DsMII. The stuff I shot at ISO 400 looked like something I'd have shot at ISO 1600 on the 1DsMII. I had to clean the noise out of every image. Definitely a big negative in my book. Again, I'll reserve judgement on this until I have validated my setup, and tested again. The other big con was the IQ. Frankly, it's just no better than the 40D was....but it is bigger! It is still a far cry from the IQ of the 17 megapixel 1DsMII....and that was dissapointing as my hope was that technology over the past 2 years would have allowed for a lower priced camera to compete with the 3 year old top-of-the line ones.
Conclusion: IMO, this is maybe just a marginal upgrade over the 40D. And I mean it when I say "maybe". The focusing acquisition is stellar, but with noise and IQ being an issue....I'm not sure I can see it splitting time with my 1DsMII. If you're happy with you 40D, then I wouldn't bother on this one. Again - I really need to validate my setup, and ensure that the noise is not human error.
FYI - The three birds above were shot at ISO 400, and the Raccoons were at ISO 200. I also used a fill flash on the second Raccoon image.