Who could've seen this one coming? Apple surprised no one this morning with brand new iMacs. Built from aluminum and glass, the new all-in-one desktops feature a complete, slimmer redesign and will come in two sizes: 20-inch and 24-inch. There's the usual compliment of ports like USB 2.0, Firewire 400 / 800, a slot loading SuperDrive, iSight camera and so forth. The new look features a glossy disp