We've already seen some sample footage from Canon's new professional EOS-1D Mark IV DSLR (and should be seeing plenty more come December), but a pre-production version of the camera has now turned up at the Canon Pro Photo Solutions 09 show in London, and TrustedReviews managed to get an early hands-on with it. As you might expect, the camera definitely seems to impress in person, with the 1.2 kilogram body providing a feeling "solid reliability and competence," while its ergonomics also
