We had the cabin in the middle of the hump on deck #9 on Brilliance for a transatlantic crossing and it was incredible!!
Our travel agent suggested it and I am so glad he did. If we ever cruise on that class of RCI ship again we will definitely request the same cabin.
Not only was the view cool because we could actually look back on the rest of the ship fore and aft from our balcony, but it was also very conveniently located to the elevators on the opposite side of the ship.