Yesterday we brought you Samsung's 19 inches of transparent AMOLED goodness, today LG counters with an 84-inch 3DTV boasting UHD resolution and a claim to being the world's biggest of its kind. To be honest, at that size you really can't get away with old reliable 1080p, so it's comforting to see LG's keeping pixel pitch in mind when designing its headline grabbers. In other news coming out of the SID 2010 show, LG is demonstrating a "liquid lens" TV that'll give you glasses-free 3D, though the details of how that works are a bit s