This sounds interesting, I've also done some bearskins, but for my Highland Regiment themed force, if you're interested you can see some pictures here:
http://warseer.com/forums/showthread.php?t=118424 Bearskins are dead easy, though I'd suggest not doing them over the top of cadian helmets, without shaving a lot of the helmet away first, otherwise they'll look too big. But I look forwards to seeing what you've produced.