Since I don't own any of the new consoles. I would probally go with a PS2, then GC, then Xbox. But I don't think anyone has made a VGA mod for the PS2, so that changes everything. Then I'd go GC, Xbox, PS2, but GC hasn't been hacked yet to play copied games (come on asia!), so I'd probally just upgrade my computer, or build another one. Hope that helps.
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RollergettesEdit: my ignorance is my downfall.