I also have mine set to 80 Hz.

I've read that is where the THX recommends, but I don't know if that matter all that much.

As Bug posted, you might want to play around with the settings and see which one you like.

The Rat. M80s, VP-150, QS8s, SVS PC 20-39+, OPPO, Onkyo 703s, Harmony 880 Sony 60" SXRD HDTV