Reports of the VCR's death were greatly exaggerated in the past, but all-new combo devices could finally put it out to pasture. This new class of video machines combines hard disk recording with DVD playback, covering all the VCR's bases. They have built-in TV tuners and timers, and you can start playback before they're done recording.In addition, the Panasonic and Toshiba machines not only play DVDs but record them as well-a handy way to archive from the hard disk. Here's a look at how these next-gen video machines stack up.