Celebrity offers excellent service and great food.
I have booked Concierge class for our last five cruise on Celebrity. There are a few other perks associated with Concierge class such as extra fluffy towels and robes.
You should try it once. I think that you will like it.
Carnival Liberty New Year's Eve 2007
Liberty of the Seas 5/2008+11/2009
Allure 1/16/ 2011
Booked Vision of the Seas . 2/14/2015
Booked Allure of the Seas... 2/21/16 *Last Gang Cruise*