Having read quite a few poor reviews of Arcadia, we approached her with some misgivings, but an open mind. We were very pleased and surprised with what we found. She has massive open decks on Lido Deck with a lovely Prom Deck that you can sit on and not be bothered by people jogging or walking. It's wide enough for that.
Our cabin was an inside twin in a Queen Config. It wasn't large, but perfectly adequate. Cases all went under the bed.
Checkin was simple, we arrived at 1.pm and were on board having lunch at 2.30. That was from driving in.
Could do with a little more drawer space, but we managed just fine. Our cabin was towards the bow and was quiet apart from one night in rough seas when there was a banging noise.