http://www.canon-board.info/announcement.php?f=27&a=29
http://www.canon-board.info/announcement.php?f=27&a=22

http://www.canon-board.info/showthread.php?t=72640
http://www.canon-board.info/showthread.php?t=65802
http://www.canon-board.info/showthread.php?t=65771