A PC is the far superior choice for audio for the simple reason that you can order an Auzentech Prelude with a pair of OPA 637SM installed on the front L/R channels for $470 including shipping. There's nothing on an Apple to compete with that. (You ought to get a PC Power and Cooling PS, too).
ATI will give you better colors than Nvidia if you are using a Trinitron or prosumer flat panel.
ATI will give you better colors than Nvidia if you are using a Trinitron or prosumer flat panel.