So I've noticed a freezing issue on our TivoHD that happens every so often but only when the TV is off. This box is a warranty replacement for a box that had this same issue but a lot worse. I'm not sure if the issue is due to our TV or HDMI connection, I say this because sometimes the TV will lose the Tivo signal and if I reset the HDMI cable it works again. This last time, I noticed not seeing this box show up in our other Tivo's Now Playing list. I am beginning to wonder if the TivoHD is doing its normal restarts and somehow gets hung up or just doesn't play nice with the TV and HDMI. I have not once had this issue with our other Series 2 or OLED Series 3 boxes and their respective TV's (of different brands/models).