Samsung Electronics introduced three new DVD player models at the 2006 CES, the DVD-HD860, DVD-HD960, and the SACD/DVD-Audio compatible DVD-HD1080. Ideal for consumers who want to savor their DVD ...
Pretty sure that MPEG2 (the codec as opposed to DVD the medium) can be any resolution you choose. But 720*480 is pretty much as good as regular TV's can display and hence would be optimal.