As I use XBMC for playback of series’ I’ve recorded using Windows Media Center, and am not super fond of Media Center (it was just highly convenient), I found this to be something probably worth pursuing, or at least investigating in more detail, in the near future.
Lifehacker – Record and Watch Live TV On Your XBMC
http://lifehacker.com/5981757/how-to-watch-and-record-live-tv-on-your-xbmc-media-center
The XBMC PVR and Live TV Setup Guide
http://wiki.xbmc.org/index.php?title=PVR