Good article on dual channel vs tri channel on Core i7.

[TheOtis]

Thought this might be helpfull for those on a budget and who would like to learn more about the new architecture. Needless to say the bandwidth available now days is WAY up there compared to what we're used to. To sum it up, if you're on a budget, running dual channel on a X58 mobo will still perform just fine and you don't have to jump in with tri-channel if you're on a tight budget.

Intel Core i7 Memory Analysis – Can Dual Channel Cut it? Introduction :: TweakTown