had the psyko 5.1 headphones... i dont know if they work on the ps3 though... it does come with its own amp
but im only posting to recommend you stay away from them
they're badly made... whatever glue they use to hold their pieces together is horrible... one of the foam pieces fell off the day i brought it home (1 of like 4 pieces that cushion the top of the head)
and soon after the rest of it just fell apart at the seems like the glue they used had 6month expiry date on it or something
+ a couple speakers died and then finally the amp
it was still within warranty but we just said fuck it (ended up getting a sennheiser virtual setup and it sounds waaay better anyhow)
i hear Sonys own PS3 headphones that importxxx posted are quite good btw