If you have been cruising the mega ships lately, this will be a great change of pace. Though smaller, the Sun's main pool deck is among the best. The larger pool is actually large enough to swim laps, and there is plenty of room for the stage, loungers and pub tables. On nice days, they set up grills and cook chicken, burgers and hot dogs. The pool band plays several times during the day so you can enjoy the pool area all day if you choose. If you need a drink, find Jose, he will keep you in good shape.
My wife and I are veteran cruisers and have sailed 4 times on this ship,42 days, over the past 11 years. We have sailed on 4 other NCL ships and 18 different ships overall.
The entertainment on this ship is top notch. From the showroom to several of the smaller venues, there is something for everyone. We had a difficult time deciding whether to visit Craig in the Windjammer Lounge, Adams Rib in Dazzles, or Lira and the boys in the Observation Lounge. Scheduling allows you to see all three if you wish.
If you are a traditional cruiser, NCL's Freestyle dining will be quite a change. You will probably never have the same waiter, so continuity doesn't exist. We visited the Italian restaurant ($15) several times, requesting the same waitress, Cherry, each time. The menu offers much more than Italian and the entire staff are among the best.
As an older ship, the staterooms are roomy and well insulated from outside noise. We were able to enjoy a good nights sleep every night.
The ports visited were somewhat typical for a Caribbean cruise.(reviews later)
Possible downsides on an 11 day cruise on this ship would be: kids may have trouble staying occupied, smaller ships have more motion in rough seas.
Overall, there is plenty to enjoy on this cruise if you like good food, great entertainment, fantastic service and fun at poolside in the sun.
NCL is vigilant about alcohol being brought on board, so bring your "A" game