In the world of head-worn displays, Google Glass seems to lately get most of the praise as well as most of the dirty looks, though it's far from alone. At this year's DroidCon in London, I talked with Epson Europe product manager Marc-Antoine Godfroid about a very different kind of head-worn display: the Moverio BT-100. Epson's display is running a Google operating system, but it isn't competing with Glass, at least not directly. The hardware in this case is a relatively high-definition stereo display meant for immersion (whether that means information overlays or watching recorded video) hooked to an external control unit running Android, rather than the sparer, information-dashboard, all-in-one approach of Glass. One other big difference: Epson's stereo, full-color headset is cheaper than Glass, and available now. Hit the link below to see what it looks like.