i built mine into the wall in my arcade today, and will finish its frame off tomorrow. I have it hooked to the internet, a B&k reciever for audio(with B&W speakers), and to cable. I also set up a USB hub, to which i have attached a wireless keyboard. the rest will just be software. but for now, i am using it mostly as a jukebox and TV. If i can figure how to upload pics onto this site, i will when it's finished.
Side note: i took the audio out out of the cannon plug too, i have identified all of the shielded pairs in the plug, and if anyone wants to save some time, i can give you the color combos.