Decisions, decisions. Would you pick up a used Mac Pro 2.66 quad core, standard configuration, for $1,500 with a year of AppleCare left or a refurb 2.4GHz 24-inch iMac, which would run about $1,400 with tax and shipping? I see 22-inch monitors between $200 specials (Asus at NewEgg currently) and $500. The iMac monitor's probably better, and it has a built in webcam and a remote and the groovy low-profile keyboard, while the Mac Pro's nastier and more expandable. So, opinions, opinions, please.