HDMI 1.3 will allow "deep" (12 bits per subpixel, not 8 as currently specified) color. I'm not a fan of HDMI audio, because my experience has been that most TV's can't handle downmixing 5.1 audio to 2.0, and most receivers can't handle downmixing 5.1 to 2.0 for HDMI while keeping digital...