After three years of letting XtremeMac and Belkin provide the "official" HDMI cables for the Apple TV, Apple has now released its own version -- the HDMI to HDMI Cable ($19), which was quietly teased in early Apple TV promotional images but not announced until Apple's Back to the Mac event in October. Billed as a 1.8-meter or 5.9-foot way to get high-definition digital video and multi-channel audio from the Apple TV to a connected television set or…
