OMG! There is a new logo for the new expansion! It has a new name probably due to some of the problems they have been experiencing.
Check it out here:
http://www.not-art.com/images/newffxiexpansion.jpg
Enjoy!
EDIT- I made a slight change to the image from a suggestion below ;) Enjoy again.
Edited, Fri Oct 21 18:02:55 2005 by DragoonSmacky