Ok. First you should post a link to the exact TV in question. Also your TV has nothing to do with "nice graphics". Your 360 puts out "nice graphics" regardless on what TV it's being used on.
Samsung for those wondering. Yes Samsungs are amazing. My parents have a 40 inch at their place. Make absolutely sure any inputs you use for gaming that you set it to the Game Mode, especially with something like Guitar Hero. Theres sometimes lag and in fighting and racing games its extra noticable.
I just got an LNT-4661F from Amazon, arrived today. Great set. Takes some tweaking so the shadow detail stands out instead of just being 100% black. So far so good!
I have the 4671 and its fantastic. I bought the XBR4 first, but exchanged it out once I saw the Samsung in action and am so glad I did. Amazing picture quality.
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I'm not sure if that set will do 1080p over component though...might have to get a VGA cable.[/QUOTE]