The BBC have just launched a beta of thier computer software "Internet Media player" that lets you download programs from the net to watch. Guess what!! HD content is available, although it does need IE and Windows media player and has lots of DRM involved its a step in the right direction.
http://www.bbc.co.uk/imp/
http://www.thomasscott.net/imp-screenshots/
It even has a "BBC HD" logo
http://www.bbc.co.uk/imp/
http://www.thomasscott.net/imp-screenshots/
It even has a "BBC HD" logo