It might just be the cables, don't they have HDMI cables for xbox, I'd just get that A) because they are better, and B) because I'm too lazy to google anything else up right now

dude, you know it never mattered- everything was swexy

:edit:
your TV doesn't look like an HDTV, is it an EDTV? if so set it to 480P there were a few sets, esp older ones, that had components that were just 480i and used them for color separation