A bit of history of Lorem Ipsum found on the Straight Dope:
“... Lorem ipsum was part of a passage from Cicero, specifically De finibus bonorum et malorum, a treatise on the theory of ethics written in 45 BC. The original reads, “Neque porro quisquam est qui dolorem ipsum quia dolor sit amet, consectetur, adipisci velit . . .” (“There is no one who loves pain itself, who seeks after it and wants to have it, simply because it is pain …”).
McClintock recalled having seen lorem ipsum in a book of early metal type samples, which commonly used extracts from the classics. “What I find remarkable,” he told Before & After, “is that this text has been the industry’s standard dummy text ever since some printer in the 1500s took a galley of type and scrambled it to make a type specimen book; it has survived not only four centuries of letter-by-letter resetting but even the leap into electronic typesetting, essentially unchanged...”
