So I'm definitely buying a MacBook Pro. No question on that, so don't try to convince me otherwise Here's what I'm looking at (edu discount prices): MBP 2.4GHz $1900 MBP 2.53 GHz $2300 ($400 more than 2.4) MBP 2.53 has 512MB vram (vs 256), 4GB RAM (vs 2GB), 320GB HD (vs 250GB), and 2.53GHz proc speed (vs 2.4GHz.) Does that justify $400? I really don't like replacing things myself, and I'd like this MBP to last. I have an older 2.4GHz MBP now with 2GB RAM, and I'm overloading it. Thanks!