Not in a position to spends lots of time with a deep dive on the trip. Perhaps when we get back to land. Many of the items previous folks have recommended have been useful (magnetic hooks, puck lights, etc). Bring a sweater or sweatshirt for the first couple of days. It was cold on deck.
This is our first trip on MSC and I can only speak to our experience in YC, but it has been fantastic. Having experienced it, we feel it is worth every penny to do it and we have no intentions on traveling any other way with them. We have another trip with MSC that we previously booked for this October and cannot wait for that one as well.