Aquaforce flushing system???

Does anyone know anything (or have an opinion) about the American Standard Aqua Force Flushing System. I've been looking at A.S.'s Standard Collection, but have heard terrible things about A.S's Champion system. Is the Aqua Force any different?

Kathy

American Standard Cadet with Aqua-Force flushing gets 150 grams on the MaP testing.

2" flush valve with siphon jet gravity flush.