Finer resolution showcases stellar animation that has no artifacting or pixellation. Encoders improve color saturation and balance in the extremes of light and darkness. Language options can be plentiful. Conceivably you could listen and read in Japanese simultaneously. Enjoy the same show in Japanese 5.1 Dolby Digital or English 2.0.
Navigation can be thematic with appropriate background screens, and visual and audio cues.
Leap ahead to chapters, or have repeat scenes instantly. The first anime DVD released in 1997. Now pick among dozens titles of titles with more to come in 1999. But this is really about keeping up with the Joneses, as retail competition heats up. Cajoled by everyone from Paramount to Panasonic, many of your customers may own a DVD player.