Hey Karen
check out these threads:

http://forums.teamestrogen.com/forumdisplay.php?f=36
http://forums.teamestrogen.com/forumdisplay.php?f=37

one is favorite saddles the other is hated saddles.
This is one of our favorite topics.

also check this out:

http://www.cyclefitcentre.com/further%20reading.htm