"This remarkable digital SLR has a high resolution eight megapixel CMOS sensor, can shoot at over eight frames per second and buffer up to forty frames (JPEG). And that's just the achievement of the camera internals, externally the camera is built 'like it was hewn from a solid block of metal' and has environmental seals around all compartment doors and controls. All this for around $4,500, making it around $1,000 cheaper than the four megapixel EOS-1D it replaces (price at time of introduction)."Another in-depth review from dpreview.com. He has compared it to the Canon 1D, 1DS and the 10D. The review conclusions are pretty much in sync with those from other reviews of the camera - "Highly Recommended". :-)