Good idea Sunset. They may not be willing to give you a rebate, but they may be willing to give you a category upgrade instead. I agree with Penny on this though, ask your travel agent to request this and don't let it ruin your cruise.
We are going to continue to see more of this happening as the cruise lines try to reduce prices to fill their ships....
Carnival Cruise Lines:
Fantasy 90, Celebration 95, Victory 05, Conquest 05, Spirit 6/06, Freedom 6/08, Holiday 7/08, Victory 6/09, Valor 9/09, Dream 6/10, Splendor 8/10,Conquest 8/11,Magic 11/11,Triumph 4/12,Spirit 7/12,Freedom 11/12, Triumph 2/13 - The fire cruise
NCL Dream October 2006, RCCL Mariner OTS June 2007, Celebrity Silhouette 2013