They say the Digic5 is 17 times as powerful as the Digic4? There's still no reason why the mkIII can only manage 6fps when the 7D manages 8. Sure, the 7D is dual processor but if the Digic5 is as big a step up as they say, why not give the mkIII a wide data bus like the 7D and get those fps higher? Also, for the…