Correct no lip sync issues due to its speed from what I've read and seen from mine.
Join Date: Nov 2006
One question before I order: is there any added delay when changing channels?
No worries in that regard. This unit is all win, nothing to lose. Would be pretty hard to not be able to find some at least minimal setting in Hi Def or other mode to make any reasonably good source look some level of better & can be WOW type better too on certain sources. Try great 1080P scenery/landscape photographs on it if you have any, and even more preferably with a large projected display.
Once you find your setting for motion sources (each can be different) and are watching that level comfortably, and then switch the processing off because you can't help yourself from playing with buttons....virtually guranteed you won't want to leave it there unprocessed for other than just checking it.