I just hope the 21" version gets a quad core option. As much as I dig the 27 incher, it's kinda too big IMHO when you are sitting a foot away on your desk. But if the next iMac updates don't include a quad core 21" version....I'll get the 27".
I want the quad core for heavy video editing and animation work, as well as to help "future proof" my iMac.
That's all I care about. The USB 3.0 would be nice too....but I really couldn't care less about the supposed rumor of a "touch screen" iMac. WHO really wants or needs THAT feature? I mean REALLY? Lol. Love it on my iPad...but an iMac? Come on. Sounds like a novelty at best....and an unnecessary annoyance at worst.