* Wondering what HDTV is? Robert Heron says it's two things: an HDTV screen and HDTV content. * Big glass tubes, front projectors, rear projectors, plasmas, LCD, OLED... they all have their strong points. * Plasma vs. LCD: why there's no such thing as the 'perfect' thin HDTV. * Going HDTV shopping this holiday? Loyd Case tells Patrick how to find his ideal HDTV. * Your HDTV checklist: Loyd's got a list you should check twice before dropping the big bucks on your. * Get the hook-up on HDTV connectors, and what you'll need to get your PC, DVD, cable or sat TV hooked up! * Wondering where to find the best HDTV content? Jim Louderback walks us thru his favorite sources, from TiVo to over the air * Trust us, that old UHF antenna is far from dead! * Looking for some of our favorite TVs? Check out the ultimate 'bang for the buck' guide to big HDTVs. * As always, we tackle your tough viewer questions. * And much more... this is a big one, folks, around an hour!