http://www.canon-board.info/showthre...hlight=20D+30D
http://www.canon-board.info/showthre...hlight=20D+30D
http://www.canon-board.info/showthre...30D#post261632
http://www.canon-board.info/showthread.php?t=19062
http://www.canon-board.info/showthread.php?t=18944