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Comcast offers about 20 HDTV channels, including all major broadcast networks, Discovery HD, Universal HD, TNT HD, ESPN HD, and ESPN2 HD; and premium HD networks such as HBO, Cinemax, Starz, and Showtime. Comcast plans to offer up to 35 HDTV channels in 2007, as well as 100 hours of HDTV video-on-demand programming. ................
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