I went on 3 cruises so far. The first on Norwegian Wind in Hawaii. It was very good.
The last two were Carnival Miracle out of Tampa (to ports of Belize, Cozumel, Costa Maya, and Grand Cayman), and Carnival Destiny out of San Juan (to USVI St. Thomas, Dominica, Barbados, St. Lucia, and Antigua). Went diving in all the ports. There were all great.
The food on Carnival Miracle was quite good, even better than on Norwegian. The food on Destiny was not as good, but we still feel pampered.
We didn't spend much time at the pool. But do expect kids in the pool during non-school times. There is a smaller adult only pool, that did not see a lot of people.