So wouldn't you need an HDTV, HD-DVD player, and a receiver that can all accept HDMI 1.3 to get the better picture/sound? Or if I had an HDTV that could accept 1.2, would the DVD player just downscale the 1.3 to a 1.2 signal? If that is true, then waiting for 1.3 might be way more costly (for...