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Question: PS3 & Sound Surround System

I have a PS3 which has a Blu-ray player incorporated into it, and a 40" Samsung HDTV. Does anyone know if I can buy a Sony Sound Surround System (the DAV-HD or any other) which will allow me to use the PS3/Blu-Ray instead of having to buy a Samsung system with another Blu-Ray player that is part of it? Thanks!