Cam, your question may have gotten buried in all the amplifier talk. You don't mention what the distance from his PS3 to his TV is and, contrary to most connecting cables, HDMI cables need some consideration of distance in deciding what gauge to get. The most common 28ga cables are said to be fine up to about 15'; longer distances would make it advisable to get a 24ga or even 22ga cable. Assuming that his run is fairly typical, here's a 10' 28ga cable from MonoPrice that should work well and is available in several colors.

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Enjoy the music, not the equipment.