Sony Centre, all of my comments relate to the Sony 3D TV's specifically, and not about any other type of 3D TV, and shouldn't be interpreted as such. I have zero experience with any other brand, be they good or bad. The Sony 3D system uses active shutter LCD glasses. What's cool about Sony's system it is only the light from the TV, that is blocked too each eye. My understanding is that the system used in the cinema's and by most other brands, blocks all light to each eye and although this isn't a major issue in the darkness of the cinema, it is a major issue in a normal home under normal conditions. The reason is that it can cause noticeable  flickering to occur in normal lighting and is even more pronounced under florescent lights(for example). The Sony system minimises this ( although I have seen very slight flicker on my TV when the sunshine is bright through my window. I don't see it when watching TV, only when I look outside) The demo 3D footage I have watched is a mix of sport(golf, gridiron, and soccer), animated movies,, movies, video games, and some documentary footage. As impressive as the video game, sport, and animated footage is, it's the documentary footage that really impressed me the most. 2 particular scenes that involve a polar bear dining into its pool and a whale shark. Both pieces of footage are very simple clips, but both leave you feeling like you