Not a lot of detail, but they're starting to do monthly grab bags (http://www.warhammeronline.com/english/community/grabBag/grabBag_october.php) a la DAOC for Warhammer.
they put up info on the dwarf/greenskin classes incase anyone hasnt seen em
http://www.warhammeronline.com/english/gameInfo/armiesofWAR/