we will be getting a new hd system called super high hd vison, it has a 33% higher resolution than the hd today and along with others the BBC are said to be gearing up to use this system, it will not work on hd ready or full hd tv's as the resolution is to high for these tv's so when this system starts you will need a new tv if you want to watch in super high hd. I think blu ray is unaffected.