IMHO, PS3 will own, or it will eventually; that is, when the console is properly utilized. The specs of it are much to my liking, and features like dual monitors and 7 controllers support. Obviously there is possibility that those will never get used the way I imagined would be...let me dream!
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To all emulator authors and contributors: without your hard work, we'd be without many hours of enjoyment and unable to relive fond memories of childhood. Thank you.