InterDVD the company that brings the PC software WinDVD, has shown off its program called LinDVD, which is in direct competition with microsofts media center, the linux based program allows a pc to boot in 10 seconds, and provide the functions of a media center such as mp3 playback cd, tv and radio.
the software can be used in conjuction with a windows pc, and a simple push of the reset button will revert the pc to boot windows as normal.
http://www.newscientist.com/news/news.jsp?id=ns99994567