We did a B2B on Carnival Destiny a few years ago and are currently booked on the Carnival Sunshine for her US Inaugural from New Orleans. Can't wait to see how she's changed.
Past Cruises -
Carnival - 20 cruises, 106 days (Platinum)
Royal Caribbean - 2 cruises, 10 days (Gold)
Norwegian - 2 cruises, 10 days (Bronze)
Disney - 2 cruises, 8 days (Silver)