I am booked on the Oasis as well ( it will be my second time). I also have been on the the Allure.
I love those ships, and I'm sure that you will also.
Carnival Liberty New Year's Eve 2007
Liberty of the Seas 5/2008+11/2009
Allure 1/16/ 2011
Independence of the Seas 12/29/2013
Booked Allure of the Seas....12/27/2015