I would expect to do this if she went on tour again. It only makes sense to go in a group.
I read a story by a guy from California who got together with like minded fans from a forum and did the exact same thing. They all went to the Jan. 17 2004 show at the Zenith. Her last concert of the tour. He frequented a French tutorial website and gave his story for them.
http://www.frenchtutorial.com/ivisitedfrance/brian.php
His website with the same story but broken up on multiple pages
http://www.brianspad.com/paris_essay_page1.htm
The images he took during the trip
http://www.brianspad.com/images/paris/index.htm