This is a nice network streaming HDTV dual tuner which works with Windows Media center, Vista and Linux/Myth TV for $168.
http://www.silicondust.com/wiki/
http://www.silicondust.com/wiki/products/hdhomerun
http://servers.linux.com/servers/07/04/18/1531247.shtml?tid=117&tid=39
http://www.silicondust.com/wiki/
http://www.silicondust.com/wiki/products/hdhomerun
http://servers.linux.com/servers/07/04/18/1531247.shtml?tid=117&tid=39