We opted for an extended balcony cabin on deck 8. This stateroom is located mid ship to keep any undue motion down for my wife. I will state that the room was extremely clean and well kept. There was ample storage space for two people and with the space under the bed, we were able to make our bags go away.
The room's environmental controls worked well as long as you remember to completely close the balcony door. The shower is compact but the water is hot and the pressure is strong. The same for the sink.
This cabin was extremely quite and we never heard anything from the hallway.