I've been looking to upgrade from my current 900 mhz g3 iBook and have not wanted to spend a hell of a lot of money. I just found an offer for a dual 1.25 MDD with a 23" cinema display for a low price on craigslist and was wondering what the lifespan of this computer would be now, seeing as it's many generations old. Would it be worth it to buy a PPC tower at all now with the whole Intel transition or not? Any thoughts or suggestions would be much appreciated.