It would be interesting to see world wide sales numbers of the 7D, 5D2, 1D4, and 1Ds3. What percentage of the Canon market cares about a cropped sensor; what percentage of the market cares about AF at f/8? The new features on the 1DX make the 1D4 in the world of technology obsolete. Obviously Canon believes there is a larger market TODAY of potential spenders at $6800 for the 1DX than for this camera than $5500 for the soon to be technologically "obsolete" 1D4.