I replaced my 60s, 80s and early 90s toilets with two totos and two AS cadet 3s (one-piece version). Both the toto and the AS cadet 3 flush better than what I had before. I had to complain to AS about the seats that came in the box because they were really cheap and flimsy. AS sent me slightly better seats so I am ok with it. I found both totos more truly flat on the bottom so less shimming was required when installing them. Overall, the build quality of the AS is not a good as the toto. In particular, the flush lever seems cheaper on the AS, and I like the side location of the lever on the toto because it's easier to actuate it when the seat lid is open (the seat lid partially blocks the lever on the AS). On the plus side for AS, they have a 5 year warranty so you won't be spending any additional money on parts for a long time.