I'll be upgrading either one I choose to 2.33 GHz, 2 GB Ram, and the best of the two video cards. Which one would you recommend? This would be my first Mac...I guess money isn't really an issue, although I would still prefer paying less, but whatever. Is there any big differences apart from the size? I know personally, I would of been happy with a 17-inch, but the processor and video card aren't that good, which is why I'm deciding between 20 or 24.