I have a 51" Sony Widescreen RPHDTV. I have the advanced AV pack for my Xbox so I can get HD support from the games and I have a progressive scan DVD player. I also have the component cables that came with the xbox advanced AV pack, and 3 ft. of Acoustic Research component cables. Should I use the AR cables for my Xbox, would doing this give me a slightly better picture? Or would using the component cables that came w/ the xbox advanced AV pack give my xbox the best picture!??