I know that many gaming systems use PPC processors, but a lot of them are IBM PPC, not Motorola. Are PPC Macs good with emulating the GameCube and N64? Even on a fast Intel processor, emulators sometimes lag. The GameCube and Wii both have slow processors, under 1GHz. It's annoying that my 2.8GHz mac pro can't play Super Smash Bros Melee at full framerate all the time.