I want to install [XBMC][1] on my Raspberry Pi, but I do not know what OS to choose. There are three: - [OpenELEC][2] - [Raspbmc][3] - [XBian][4] What is the most efficient of the three? Which allows you to continue to use the Raspberry Pi as a classic Linux system? [1]: http://en.wikipedia.org/wiki/XBMC [2]: http://wiki.xbmc.org/index.php?title=OpenELEC [3]: http://wiki.xbmc.org/index.php?title=Raspbmc [4]: http://wiki.xbmc.org/index.php?title=XBian