got 3 different ones on my system a 40 quid one, a 20 quid one and a cheapy one from Argos, no difference whatsoever. Jumble of wirs linking PS3’s to Samsung HD players and tellys an Sky boxes with digital audio cables galore…..all works dandy. Sometimes I really confuse the missus when she wants to watch corrie or something, a clever button on the surround sound pulls audio from elswhere……corrie pic to the sound of resident evil on the PS3…so many controls….she calls me childish. I’m not, obviously, being 42 like….