hi all. can anyone who has this system help please.i want to plug my sky hd box into my amp with hdmi so save on cabling to my tv. how eveer when i do this it defaults to the pcm sound comming through the hdmi rather than the bitstream dolby digital from the optical. any ideas folks. oh and is it possible to get sound and picture through the 608 without it being turned on. no need for the missus to have suround sund with corrie lol