You might want to take a different approach when shopping for a 3D TV than a standard HDTV. Instead of just looking at the picture quality, you should also take a serious look at the brand’s 3D glasses. Some show some clear advantages to purchase that brand’s 3D TV and until there’s a standard format for 3D glasses, each brand requires its own unique glasses, thereby locking you into that manufacturer’s products. Yeah, it’s a bit messy right now. Click through for details on all of them.