Mediacenters' war always is between OpenELEC vs Raspbmc. Perhaps any of you ever tried the distribution that I'll introduce here. GeeXboX takes a long time in desktops and now comes with XBMC 12.2 "Frodo" for Raspberry Pi ...
Features summary. For a larger view go to the website:
XBMC Media Center 12.2 "Frodo" frontend
Support for DVB Digital TV PVR, to record and watch live TV with vdr and tvheadend
Full HD support
Opkg Package Manager v0.18
Persistent storage USB devices.
OpenGL and OpenGL|ES Accelerated.
Red: NFS, Samba, UPnP/DLNA, HTTP/FTP/SSH server, Utorrent (client and gui over http)
Download: geexbox-3.1.raspberrypi.tar.bz2 (128 MB)