It would seem to be worth a lot more to Apple to establish H.264 as the de facto standard, knocking .wmv out of the way. I expect that we will see this unleashed by Apple on the Windows world as well.
This can only happen when 264 QT files will play properly on all systems and even if your computer is not the fastest. Also, colors should not look different on different computers, or with your FCP color simulation on or off. Until then, WMV remains the only reliable widespread video distribution standard.