For more information, here are some Web sites on high-definition TV:
* CheckHD (www.checkhd.com): The industry-supported site has information, programming and buyer's guides.
* Consumer Electronics Association (www.ce.org): The trade group offers a consumer guide.
* Consumer Reports (www.consumerreports.org): It has a free Holiday Giving Guide section that includes step-by-step guidance on buying a TV.
* Digital TV magazine (www.dtvmag.com): The magazine offers product guides, tutorials and other information.
* Digital World magazine (www.pcworld.com/digitalworld/): Under its TV section, the magazine offers tips on flat-screen and rear-projection TVs, among other information.
* FCC Digital TV site (www.dtv.gov): The Federal Communications Commission recently put up the site, which includes a shopper's guide, glossary and other information.
* TitanTV (www.titantv.com): Programming guide that includes listing of high-definition shows.
