Tivo Edge has issues with stopping/stuttering and sometimes pixelating for a short time during viewing. Sometimes when stopping (picture still there) it then continues where it left off - or sometimes there's a few seconds advanced in show. Also there's some pixelating/blurred parts. Sounds like a hard drive issue? We rarely watch any shows 'live' and don't remember it happening so don't think it's the network. I have reset the cablecard and the Tivo but haven't seen a lot of difference. Is it worth replacing the harddrive in the Edge? Has always worked well - have been a Tivo user from the beginning of time. Have Comcast and haven't heard anything yet about them disabling or not supporting cablecards. Thoughts/assistance??