Toshiba 32AV502R 32" HD LCD HDTV with Cinespeed - 720p, 60Hz, 10Bit, 2x HDMI, Will this TV support a new digital HD-enhanced cable box from TineWarner, even though the manual states, "ANT/CABLE -- Antenna input that supports analog (NTSC) and digital (ATSC) off-air antenna signals and analog and digital Cable TV (QAM) singles." Will a new digital HD-enhanced cable box offer HD quality picture on HD channels, or does the ANT/CABLE connection only offer as stated?