I know I can't record in HD w/ the Series2, I just want to be able to record standard TV AND be able to use my HD cable-box to watch HD channels. I'm sure a bunch of people have had this problem and I'd really like to avoid the trial and error frustration of it all, if possible. Thanks for your responses.
You have to set your cable box to output interlaced (not progressive video). Then follow the instructions from tivo for connecting the box. You'll use the composite or s-video cable to send video to the tivo and you'll use component or hdmi cables to send video to the tv from the box. You may need y adapters for the sound output from the cable box. In order to insure that tivo channel changes always work, I have the front of my cable box covered. That may be a problem for controlling the cable box.