I have a friend who has a Panasonic 42PWD4 plasma. When he connects S-Video sources and composite at the same time, there is interference between the two. He's spoken to Panasonic UK about this and they've said it can be a problem with the silver version (apparently supplied by a different division of panasonic to the black one) if you're not using the panasonic TV card. It sounds to me like maybe they're just trying to sell more TV cards! SURELY you must be able to connect composite and s-video simultaneously, otherwise it's just a waste of an input port. Has anyone else experienced this, or know of a workaround? radiostar.