I could live with a 1Ds mk4 like that, provided we do see 40mp. In fact given the possible alternatives, that would suit me pretty well.
Unlike almost everyone else on the planet (or so it seems) I have no interest in video whatsoever. Film making is a totally different field of expertise and it leaves me cold. I will go to my grave believing that video should be left to video cameras and film makers.
No, my requirements from a new 1Ds are simple, superb DR, lowest noise in a dSLR to date and suberb low ISO performance, down to ISO25 please Canon. I have no interest in ISO's beyond 1600.
However, if Canon were planning to simply do that, we would have had it at least 6 months ago. I believe the chatter that claims Canon withdrew the mk4 simply because they decided that to stick with the minimal upgrades as before. There are too many competitors in the "studio" camera market now, Canon would effectively be saying "OK fellas, we've had a good run at the top, now it's your turn". No, Canon must respond to the Pentaxes and the Hasselblads if they wish to retain a foothold in the sector.