yup... I noticed it lsaturday night when i was trying to find the Sens game. The Score was also gone.
Called Custormer Service sunday morning. They had me try a re-set but when that didnt work, they transferred to the tech guys. He told me he was "going to try something" and before he could finish his sentence, the channels were back. I didnt bother asking what he did, but I got the feeling I wasnt the first person to have the problem.
If you havent already, give *C a call.