Tracy, here is some info on the AMEX cards. In addition to the info below, I think that the Blue Sky card also gives you a $250 per STATEROOM credit. It appears the offer is only good for 2009 but since the card carries no annual fee, it's still a good deal!
AMEX PLATINUM/CENTURION shipboard credit info Blue Sky from American Express
Experience more on your next journey! From exotic sailings to Antarctica to the historic ports of Europe, your American Express Blue Sky Card now takes your cruise experience to the next level through the end of 2009. What will you use your $250 credit for? Maybe a relaxing massage or an exciting shore excursion – it’s up to you!
Cruise Line Amenities
Regent Seven Seas Cruises • $250 per stateroom shipboard credit
