http://forums.privateerpress.com/index.php?showtopic=86550 still don't know how to link stuff right.
I'll just tell you what I've read so far:
-Caine can have elite gunmages who shoot in close combat
-Feora has pyro-like skills, can control fire and draw focus from it
-Epic Butcher has elite Doomreavers
-Epic Magnus can be used as a Skorne Warlock