Also there is streaming video services ,
http://www.roku.com /
http://www.netflix.com Roku is the little box that receives the netflix streaming service , thousands of movies and tv shows for $10.00 a month and also other streaming services with the little Roku box. Also the Western Digital box , it also receives the netflix streaming service and other streaming services.
http://forum.tvfool.com/showthread.php?t=1778