Just at the final stages of selecting the appliances, today were the dishwashers. The old ones were a pair of 4 year old KUDSxxx KitchenAids, which worked really well, and were very quiet. I was at the dealer this afternoon, (ended up with the Miele Touchtronic G2732 SCi washers) and noticed that KitchenAid is no longer using 4 arm hydro sweep? Is this correct? So, now what is the difference between Whirlpool and KA?