Maybe they will get in late enough that they will be used for R&R/Beddown of support troops in New Orleans.
See DoD's Spin.
http://www.freerepublic.com/focus/f-news/1478176/posts
The secretary of transportation is seeking DoD concurrence to use four Maritime Ready Reserve Fleet ships as temporary housing for relief workers
In that case I have no problem with the cruise ships whatsoever, and I don't care what the bill looks like. And open the buffet 24/7.