Ok as far as 3d tv goes its a complete and utter waste of time at this stage. at the moment sky have only 1 3d dedcated channel as for the catches with it , u have to get full package from sky which works out at roughly 73 euros a month plus 15 euro hd subscription as for the effect it has on people it is advised that people that suffer from epilepsy , wear glasses or contact or pregnant woman it is advise for them not to watch it .
the batt powered glasses have a shutter effect similar to that of a camera which will give you exceptional bad migranes if u were to continuosly watch 3d telly
as far as the 3d effect goes it is mainly the billboards and any sponsorship that stands out more. Himself fits sky and has fitted several 3d systems and knows all the pro's and cons that go with it. very few pro's and sh*t load of con's
as far as hd telly goes, it depends onm wether or not the programme has been filmed wit a hd camera ie lux tv is filmed with a hd camera.
these boxs that are for sale ,please b careful as they may get shut down i state MAY get shut down . Any question regarding sky , let me know and i can ask him
PS all this has come from his mouth as i type.