The site asks questions about screen size, type of use (sports, gaming, movies), what room it will be in and how far away it will be viewed, then provides a recommendation.
It also pitches the advantages of cable over satellite and says viewers will need an HD service to get those crystal-clear pictures, although it makes no mention of over-the-air HD as an option.
Time Warner Cable's shot at direct-broadcast satellite is just the latest volley in an ongoing battle with DirecTV over HD-picture-quality claims. The cable operator recently won a court victory over DirecTV -- although it had already settled the suit -- for TV ads that suggested that the satellite HD picture was better than cable's.
Cisco said encouraging broadcast and on-demand HDTV will boost its home-networking business.