This software based utility let you duplicate up to 25 flash cards in a time
that you normally spend to copy one flash card. It works for all flash
cards: CF (I/II), SD (Micro/Mini), Memory Stick (Pro/Duo), XD and all types
of USB (Pen/Key) drives.

Free trial at CNET download site:

http://www.download.com/Flash-Copier/3000-2196_4-10636232.html?tag=lst-0-1

JFYI!