Which DVR - Tivo or ReplayTV?

lkd7 asks: "I have recently decided to buy a DVR, but I'm not sure whether to go with Tivo or ReplayTV. I know that it is a shaky market right now, but my VCR is just not cutting it anymore. I have tested out both Tivo and ReplayTV, and would be happy with either one (I do not have satellite service and so UltimateTV is not an option for me). The Tivo stocks and SonicBlue/ReplayTV stocks are not the most reassuring. I know that going with either one is taking a risk, but I would like to go with the less risky bet. I'd rather not invest in a $300 paperweight. Does anyone have a recommendation?"