im upgrading my old e8400 pc and was going to get a asrock z77 extreme 4 but i dont know witch processor to get.what i mostly do is game and do a multitasking.i was thinking about the i7 2600k or the i5 3570k witch i could get for about the same price or i could save up some more and get a i7 3770k. witch do you think of those three would be the best.