I love the two door system. It is truly a game changer. The dishwasher is extremely quiet, cleans very well and is easy to use. 
As someone who cooks daily in the kitchen, and hosts many dinner parties, it is WONDERFUL to have a load going with the ability to start another one. With a typical dishwasher, don't we always wait until it is full to start? This way, top geta going....when you have enough for the bottom, that can get started.... Usually around the same time the top one is finishing. Game changer.