Hi guys, I currently use a 5D MkII and a 1D MkII. I use the 1D for birds in flight and the 5D for everything else. I could really do with a few more pixels than the 8MP of the 1D and I am wondering what the cheapest way to go about it would be. Used 1Ds MkII bodies are relatively cheap and I assume they have the same AF as my 1D MkII but I'm not sure if I could live with the slower frame rate. I could sell both of my cameras and go for a used 5D MkIII but, again, the slower frame rate may annoy me. What about the original 7D? How does the AF compare to that of the 1D MkII?