The first crop of HDMI 1.4-equipped HDTVs and Blu-ray players have begun to hit retail shelves, with A/V receivers and other products soon to follow. Chances are, if you've heard talk about HDMI 1.4, it involves the spec's support of 3D playback, but that's just one of several new features--some of which could prove extremely useful in this era of Web-friendly A/V devices.Here's a rundown of everything new in the HDMI 1.4 specification:
