Here is the link to my cruise report after we returned from the Med on the Concordia. It was a great trip, we had a wonderful time, but wish we would have cruised with Carnival, RCCL or NCL rather than the Costa experience.
Now it sounds like Paul had a really nice time on his latest adventure on Costa's newest ship. I also understand that Costa can be a bit more enjoyable on their Caribbean itineraries, so even though it is not our cup of tea, some folks may find value there.
I loved the ports we went to. Our room stewards were wonderful, but Costa definitely had a different standard of service, quality and common courtesy in other areas of the ship than what we are accustomed to. One area I found to terrific on the Concordia was the Spa. It was a wonderful retreat and was spacious and huge. I highly recommend the day pass. I met some really nice people there as well.