We cruise quite a lot and have been sailing Princess nearly exclusively for the last 6 years or so. We felt we owed it to ourselves to try another line and see whether we should "branch out". Here's a quick good, average and ugly rundown.
The good (sometimes great):
Without question, the singers and dancers who performed many times throughout this voyage were the best we've ever seen. We were disappointed whenever a headliner was featured (the headliners were a mixed bag and on average were just OK) because that meant we wouldn't be seeing these 10 incredible performers. Kudos to HAL for producing incredible shows with minimal sets that really showcased the talent.
The cabin needs a facelift but was roomy and well laid out. As I said in the review, this old lady groans a lot so beware. Shimming the panel over the picture will not solve the problem. Also the ship noise was obvious when entering and leaving port as expected. The noise that broke our spirit was from the speakers in the hallway. Make sure they turn the volume down unless you want to hear every detail of every announcement no matter the hour.