Hi! I'm going to buy a macbook pro in the very near future and need some advice on what would be best to meet my needs. I'm doing graphic design so I need one that can run a few Adobe programs at once and not lag or freeze. (I'd also use it for internet, photo and music as well) I wasn't sure if the 2.88 ghz would be sufficient or if 3.06 ghz would make a big difference? Also with the 500GB hard drive you can have 5400rpm or 7200rpm; which would be better for what I'm doing? Is there a large difference? And with the screen size, I can't choose between 15" or 17". I'd like to have the 17" because well, you know, it's big. But if I need to take it to uni then 17 might be a bit massive? If anyone could help me choose, that'd be great! I kind of know about all that technical stuff but don't know how much difference it would make for the kind of stuff I'd be using it for. Thanks!