has the skinny on the device, and how it's not quite the first of its kind -- although it's certainly the prettiest:

Sony isn't alone in this field: eMagin sells a 3D visor called the , which also uses two OLED displays, and Vuzix recently announced the , a pair of glasses with a 3D display inside. But Sony's visor offers a much larger and higher-resolution virtual screen than either of those headsets. It also supports the PlayStation 3? out of the box. And although viewing 3D content through a personal visor is a decidedly solitary experience, Sony's device includes an HDMI pass-through jack, allowing users to send whatever they're watching along to a television.

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