I'm headed off to college in the fall. and, i need a new computer. (my ibook G4 was sat on...) Now i am debating between getting a iMac and a Black 2.4 ghz Macbook. The macbook is more expensive, but is portable. the IMac has just been updated, is obviously faster and has more storage. My 3 roommates all will have laptops, so thats always available if i am on the go. Cost is a small issue but can be dealt with. what do you guys think?