We were on the Poesia for the Christmas cruise and we had a blast.
Let me start by saying that this was an absolutely fantastic cruise. We thoroughly enjoyed it.
Our embarkation was bad only because the man we went thru to get checked in was about 80 years old and had no idea how to work a computer. I don't fault MSC for that I fault the port for that, they should put their people thru training before sending them to the trenches.
Our cabin was #12095. It was a superior balcony. The couch made into a bed and was big enough for 2 kids most of the time. (ages 8-12) When all the beds were made out it was hard to get around the room but that was to be expected. The kids would just walk across the beds and they liked the extra wave action they got. The balcony was perfect for us to sit on and boys to look over the edge at the water and anything wise they could see. We were directly below the Mojito bar and pool so during the day it was a little noisy bit a night it was fine.