A DVR is a digital video recorder, a new breed of set-top box that can replace the venerable VCR with a host of new features and enhanced performance. The most common type of DVR is also called an HDR, Hard Drive Recorder. This is a DVR with a built-in hard drive that can conveniently record TV shows or movies or even pause a live show in progress while you answer the phone or tip the pizza guy.
DVR includes popular feature-rich formats such as Tivo and ReplayTV that have their own proprietary interface and certain enhanced features. The most basic DVRs are built into digital cable and satellite receivers and integrate intuitively into the providers' menu systems.
DVD recorders, which can burn a DVD of your favorite show. Used in conjunction with HDR, you can edit out commercials.
DVD recorders are a hot item but it's also the most expensive DVR option. Expect the prices to start dropping soon on DVD recorders and for HDR drives to get larger and less expensive. Some VCRs can also record digital or high definition formats, these are D-VHS VCRs.
Popular DVR formats: