Switched on the TV to the TiVo input today, and it said this on the screen:
Fedora release 10 (Cambridge)
I posted a picture of it here (but can't post links, so remove spaces):
https :// w w w . iCloud .com / photostream / #A25Uzl7V4sn4O
I didn't have a way to type, but was hoping the password was "Christmas" :-)
Pulled the power and forced a reboot and it seems to be working fine.