On 1/19/04 1:01 PM, Erica Sadun at erica at mindspring.com wrote: > They only relate to the recording mechanisms, not to reading > mechanisms or suitability for particular data. Except that some computer DVD-R drives (Pioneer DVR-103/104/105 in particular) can't read the +R discs (I'm not sure about +R drive compatibility with -R discs). Regular DVD-ROM drives shouldn't have a problem reading either format, though. - Mark