i want to ask if i want to upgrade deom denon 1912, is it a good choose? I am not sure later i will play 前後級amp or not. I like denon amp because it have good for movie. Ching, any choose for me if i plan my future play 前後級amp. Any which brand and model i can choose? After look the report, it seems pioneer LX55 is not bad too, right?