Left Ft. Lauderdale and had several hour delay boarding due to oxygen tank on board exploding and then computer malfunction at port.  Sailed 2 days and enjoyed getting around ship and learning what was available.  Our concierge class balcony cabin was fine although smaller than I had expected.  (Carnival's was larger)  Our room service was erratic, sometimes not getting amenities daily, and they had no washcloths for 2 days!  Our frig was not restocked ever.  The daily concierge service included snacks at 4pm, but they never tasted fresh.  The extra charge for concierge class was definitely not worth the extra price.  The food in all buffets and cafes was rather bland, and there was way too many pasta and rice dishes.  The buffet was served to you causing long, slow lines.  The main dining room was nice, but service there too was very slow; and our waiter never smiled.  He was always in a hurry seemingly but not good.  Another waiter at nearby table was friendly and attentive to his tables and to us!The entertainment was not bad and definitely better than last Carnival cruise.Due to swine flu outbreak, our 3 ports of call in Mexico were canceled, and we were sent to 3 California ports instead, causing the abundance of Californians on trip much anguish.  I said it was better to be safe than sorry.The photo dept lost some of our pictures.The spa was nice but more expensive than most cruises I've been on.Nice library.  Good lounge music.  Internet worked fine.  Good beds and linens, but bathroom linens were old and scratchy.  The ship needs some updating, nothing "fancy" here, but over all ok.  The ice cream bars were only open at certain hours and not late at night.  The pizza was open late and tasted good, but it would have been nice to have ice cream afterwards.The Guest Relations desk was open 24 hours and were courteous and responsive to our needs.The shore excursions were good but involved lots of walking, and it was hot.  The crew and stands were everywhere with the hand sanitizers, but the ash trays on smoking decks were seldom emptied.   The PA system didn't work well, and the TV had very limited offerings.Going through the Panama Canal, however, was a treat.  An all day affair that gave everyone plenty of time to take photos.   They opened the front deck, usually closed, but didn't tell anyone till later in the day. Wish we had known earlier so we could get a first glimpse and better pictures.The stops in Montego Bay, Jamaica and in Cartagena, Colombia were interesting; however, I wouldn't go alone-only in approved excursion tours and the murder rates are very high in both places.   There wasn't much in the way of shopping except the usual local souvenirs.  The best shopping was on the ship itself.  I would recommend this trip to others so long as they knew what to expect.  I thought the Celebrity line was a grade up from Carnival, but we changed our minds afterwards.