Mac users interested in Replaytv downloaders generally download:
DVArchive allows your computer to act like a "Virtual ReplayTV". You can download shows from your ReplayTV to burn to DVD/VCD, play shows from your ReplayTV right on your desktop (without having to download them first) and play shows that are stored on your computer right from your ReplayTV/TV screen.
Additional suggestions for Replaytv downloaders by our robot: