Hi all. First post on Mac Rumors! Woot! Anyway, I am waiting until WWDC and if there is no mention of iMac updates then I am going to finally pull the trigger on a 27" iMac. I have already decided that I want to upgrade to a 2 TB HD and 8 gigs of RAM, but I can't decide if it would really be worth it to also upgrade to an i7 from an i5. It's already going to be 2450 and I am wondering if there is a significant enough performance increase for the extra 200 bucks (now we are talking 2650 ) that Apple is charging to upgrade to the i7. Does anyone have any personal experience with this or a link to some benchmarks/comparisons of the two? Thanks!