Hi frangarnet, welcome to Cruise-Chat. Congratulations on your first cruise. Just be warned, cruising is addictive
If you have trouble with motion sickness, then the middle of the ship will offer you less problems. We've had cabins in the front, mid, rear and have not noticed any difference in movement, but neither one of us have any trouble with motion. The ships are so huge, you rarely feel motion. I doubt you'll have any problems with the noise either. Best wishes for your up-coming cruise, and once again, welcome on board.