I currently have a 42"panasonic viera thpx60,a ps3 ,a sony davs-800 ,a sky plus box , at the momeny i have it setup as follows ps3 connected to tv via[IXOS] hdmi lead ,optical[QED] from ps3 to sony surround system, sky scarted to tv also audio from sky to surround via component,s-video[MONSTER CABLE] to scart for dvd player [surround]to tv,Does this setup seem ok cos i was thinking of getting the ONKYO TX SR605 would this replace my sony davs-800 or would it be additional ,any help gladly received.