Years have passed since we've seen any company take a serious stab at selling an iPod or iPhone wearable video display -- read: glasses with miniature TV screens built in -- and there's probably a good reason for that: while wearable, the displays aren't generally the sorts of things most people would actually wear in public. Vuzix's Wrap 1200 ($500) ups the ante on the prior concept by including dual 852x480 LCD displays and detachable canalphones,…