The Definition of High Definition
This web site really shows the clarity and dimensionality that HDTV offers. There are multiple screenshots of some of the recent highlights of HDTV programming including the Winter Olympics, NBA, and the Tonight Show on NBC, Shrek on HBO-HD, NHL Hockey and Major League Baseball on HDNet, and much more! These pictures really show how great HDTV looks!
PBS DTV Crash Course
PBS presents a web tutorial or crash course to describe DTV and HDTV. This site offers an excellent overview of DTV in the United States.
HDTV Galaxy maintains an HDTV schedule and has news and information related to HDTV.
Titan TV can be customized to give programming and DTV information.
Home Theater Magazine
Home Theater Magazine currently maintains a list of programs available in HDTV.
Federal Communications Commission
The FCC is responsible for regulating the use of the airwaves for television transmission.
Comprehensive DTV/HDTV website with discussion groups, technical info, retail info and real-world experiences with reception.