http://www.canon-board.info/announcement.php?f=54&a=29
http://www.canon-board.info/announcement.php?f=54&a=22

http://www.canon-board.info/showthread.php?t=76869
http://www.canon-board.info/showthread.php?t=73248
http://www.canon-board.info/showthread.php?t=66237