14" portable TV - is the cathode ray tube dead? - RattleandSmoke
The bandswith problem will solve its self, in 2002 we were told that TV on demand is very unlikely to happen as ISPs would kick of a stink etc. Now in 2010 TV on demand is almost the norm.
I agree that 3D is just a gimmick but things are moving on so fast. The markets will decide which features are gimicks and which are not.