The 3DTV fad was very short lived. The smaller 3D sets were not that great. You had to be sitting in the sweetspot for it to work properly, and compared to the cinema it wasn't that good. For one it used a shutter system that meant you were looking at interleaved 25fps per eye. Giving a bit of a jerky flicker. A proper 3D projector would probably do a far better job. I never owned one but my brother-in-law had a 50" Samsung 3DTV I tried out. It was interesting, but not enough to make me want to buy one.