Awaiting the release of the quad core iMacs (of which Futureshop and Bestbuy lists the i5 to be available on Nov.3rd here in the Great White North!!!), but I'm undecided if I should save my hard earned bucks and just get the i5. See, I do video editing on Final Cut Express and I know the quads will be beneficial to slicing my ecoding times in half. But which to choose between the two? I've come accross this article which explains the differences of the two in layman's terms: http://www.brighthub.com/computing/hardware/articles/48391.aspx How about you, what have you chosen?