This article almost seems to suggest that it's some kind of CAT5 balun, which is a technique that's been around for many years, carrying VGA, DVI, USB, and all

This article almost seems to suggest that it's some kind of CAT5 balun, which is a technique that's been around for many years, carrying VGA, DVI, USB, and all manner of protocols. And running HDMI over CAT5 is not exactly brand new, either: http://www.hometheaterblog.com/hometheater/2007/12/honeywell-introduces-hdmi-over-cat5-solution/ http://www.hometheaterblog.com/hometheater/2007/12/honeywell...