I enjoyed the role of grandparent to a 4 year old on his (and his parents') first cruise - what's not to like about a week-long sleepover. Connected balcony cabins on deck 10, lots of kids on board and a great kid's club. Many things worked really well, but I did find myself comparing RCI with my favorite Celebrity.
Ship - huge, so many amenities. But why do you have to charge for so many things?
Cabin - just great. Pleasing colors, comfortable, plenty of storage, nice balcony and bathroom.