The Spirit Class was built to "PanaMax Standards" which means they are the largest ships that can pass trough the Panama Canal, The Destiny and Conquest Class are too wide.
Carnival will re-deply the Elation the the west coast and will have a one time 15 Day cruise From Port Canaveral to San Diego
http://www.carnival.com/CMS/Articles...san_diego.aspx
However, it does not show any dates for this cruise on their website, mabey it is sold out already ?