Oh I see! So its best to leave it as it is as 480p from my dvd player since it does better job than the tv. And if the dvd itself was 720p or higher than 480i then that would make the biggest difference and get dvd player that supports that dvd format, ie hd-dvd. Am I on the right track?

Axiom M60s, VP150, QS8s, EP500 -- Rotel 1075 & 1068 -- Panasonic BDT500 -- Panasonic 60S60