Remember that 3D Hero expansion kit we ogled back at CES? How would you forget is likely the superior question. At any rate, GoPro has just announced the general availability of that very module, with $99.99 getting you a waterproof 3D expansion kit for the insanely popular HD Hero camera. For those who've forgotten, the kit allows a pair of 1080p lenses to form a single 1080p 3D camera, and it's waterproof to 180 feet, too. In related news, it seems as if GoPro has also taken this opportunity to sna
