True, Panasonic's 103-inch 3D television is more desirable, but Panny's new 50-incher will be more affordable when it comes time to buy your first 3D set. The 1080p TV requires viewers to wear special specs, naturally, in this case, Panasonic's active "shutter" glasses. As the name implies, the lenses switch in sync with the TV so that the right image is seen by the right eye and the left image is seen by the left eye. All that quick image swapping requires new PDP materials and chips to maintain screen brightness. The new prototype will be on display at Ceatec show in Tokyo next week with plans for commercialization in 2010. You know, a