HDTV may be lovely, but HD monitors for computers are equally as excellent, and connected to far more useful contraptions. They both can play DVDs and CDs, but the computer can produce stunning visualizations and also store your entire music selection with space left over for Doom 3.
Internet video is far more shareable than conventional television. Using a TV card can boost your computer's visual library, but you can already DSL in TV streams from friggin Azerbaijan if you want. Seriously, they have Brother Bear.
What advantages does HDTV have over the computer?
Is this about $?