Neither. The TV looks like it will only support a DVI cable and the Xbox 360 doesn't yet have one.
"Does the Xbox 360 support DVI or HDMI?
At the moment, Microsoft does not plan to offer a DVI or HDMI pack, but it may be available in the future. Todd Holmdahl, Corporate Vice President of the Xbox Product Group at Microsoft, elaborated, “We’re poised to hit the sweet spot of the HD market at launch and as the market matures, we will provide an HDMI for our customers when it makes sense. The reality is, you don’t need HDMI for HD gaming.”
Taken from click here