The Dsr708 ONLY works with DIRECTV, If you want tivo with your Comcast you can get Tivo DT or Tivo HD or TivoS3.cjustice72 said:
The TiVo Series2 Dual Tuner (DT) DVR enables you to record from two basic cable channels, or one basic cable and one digital cable channel, at once. TiVo Series2 Dual Tuner (DT) DVR does not support recording from two digital cable or satellite channels at once. Also note that these models support recording from cable and satellite sources only; does not support recording from over-the-air antenna.
The TiVo® HD and TiVo® Series3 HD (high-definition) box works with digital cable and is supported by all major cable providers. They are also compatible with analog cable, analog antenna and over-the-air digital HD (ATSC). Please note that 2 CableCARD decoders required (available from your cable provider) to record 2 digital cable shows at once. Not compatible with satellite television.
