Moving up to college in a few months, and I'm trying to get the best setup out of the equipment I have now. I don't want to bring the PowerMac, just the laptop and the iMac. I was thinking about hooking the 23" to the iMac as well, any suggestions on setup and equipment? I'm a graphic design major, I'm going to miss my real estate on just the 17 inches. Also, would dual monitors perform well considering their size difference?