It may still be some time before you can take Google's ambitious wearable computing project for a spin, but there's certainly no shortage of head-mounted displays out there for those looking to blaze a trail of their own. You can now add Silicon Micro Display's new ST1080 glasses to that list, a full 1080p display that will handle both 2D and 3D content (in a variety of formats), and also allow you to see through the glasses for augmented reality applications (albeit with just 10 percent transparency). As with most such glasses, however, you won't get head-tracking capabilities, and you'll have a couple of tethers to contend with (HDMI for video and USB for
