I've been conflicted for a while now about what kind Mac to get. I used a MacBook Pro for the first one and a half years of college, but then I switched to a Dell for research work. Unfortunately, I left that laboratory and am itching to go back to a Mac. However, as I said, I'm very conflicted about what to get. I don't really require portability, as I don't really take my laptop anywhere. I don't need to take a laptop to any of my classes. So, should I go for an iMac (Core i3 3.2 GHz)? I was also entertaining the new MacBook Air and the MacBook Pro Core i5, but I think the latter would be excessive and the first might be crippling. What do you guys think?