I agree with most above, I think you will have a great time on either ship so
just pick the one that's most appealing to you and your needs.
The one thing we really like about Carnival is the room size.
ALLURE, 2/21/16 *Last Gang Cruise*
Carnival - Fantasy 1998
RCCL - Majesty of the Sea 2000
Carnival - Inspiration 2009
Carnival - Freedom 2011
Carnival - Liberty 2013
Carnival- Breeze 2014
Sweet Escape BVI Charter 2015