The F-Stop Blues: Connecting Your Media Center PC to Your HDTV: The F-Stop Blues has a good primer aobut what you need to know to connect your Media Center PC to your HDTV.
From the F-Stop Blues: “So you’ve decided to jump into the 21st century and setup your digital living room using a PC running some media center application like Microsoft’s Media Center. But when you go to hook up your PC to your new plasma HDTV the cables don’t match and you’re confused – what’s going on here? Well, using a PC in the digital living room has a few hang-ups so here’s my do’s and dont’s for hooking up your PC to your HDTV.”