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. You can also search TV listing, see what upcoming recordings on your ReplayTVs there may be and access those listings from a web browser or GUI.
Among it's more interesting features are:
See what shows your ReplayTV(s) have recorded right from your computer
Automatically finds your ReplayTVs
Download shows from your ReplayTV to your computer to watch, archive, burn to DVD/VCD, etc
Automatic support for Replay 4xxx and 5xxx Series units
Turn your computer into a virtually unlimited capacity ReplayTV show archive
Schedule automatic downloads of shows from your ReplayTV to your computer
Schedule automatic purging/deleting of shows you don't like but which your ReplayTV keeps recording
Watch previously downloaded shows OR watch shows directly from your ReplayTV without having to download them first
Control your ReplayTV remotely (turn it on, off, delete shows, etc)
Manage your ReplayTVs photos
Control your ReplayTV from your computer
View and Search TV Listings
Schedule new recordings on your ReplayTV (ReplayTV 5xxx series only)
View lists Up the upcoming recordings (and conflicts) for your ReplayTVs
Access these listings, schedule recordings, schedule downloads, etc via a web browser from anywhere in the world
Has a clean interface that allows you to see and use all your ReplayTVs from one place
A whole heck of a lot more!
