If you go to webshots.com and type in brilliance of the seas you will get thousands of pictures - http://www.webshots.com/search?query=brilliance+of+the+seas&new=1&source=chromeheader.
..and she is the most beautiful ship in RCI's fleet IMHO so you have made a good choice there and Mrs Card should be very happy! Make sure you book at Portofinos and Chops.
If you've got java on you PC this gives you virtual tour.
Go onto Google Images and type in the ships name. Lots to see.
Great birthday present only problem is how are you going to get your wife to pack the right clothes for the cruise without telling her why? for a woman the right clothes on a cruise is very important you will need to be very inventive to keep it a surprise. good luck and have a wonderful cruise.