I am a college student and I'm currently using my G4 cube running 450mHzzzzzz. It is definately on it's last legs as I'm beginning to lose the ability to run certain apps (Soundtrack, ie.). Do you think it's better to get the updated 15" now...or to wait for a G5? I can probably last the remainder of this year with this computer, but would definately need an upgrade next fall...will the G5's be ready? Give me so advice so I can make a good decision. I need a computer to last me another good 3 years.