Pros: We've lived with 3 of these toilets for 3 months and not one has clogged yet. The EverClean surface really does resist stains longer than ordinary porcelain. Cons: the base was warped on two out of the three I installed. Retailers sell plastic toilet levelling shims. Sometimes the ring connecting the chain to the flush valve flips over, making it too short for the valve to seal. You have to remove the tank cover and jiggle the chain to reposition it.