The recent Tauren news showed a lot of promises : if there's still a room for a non-"fierce' looking cow, then we can hope the same for our dear Worgen.
And for those who aren't aware, this "fierce" argument caused female Worgens to turn into a "chihuahua" and the male Worgens to loose lots of "wolfy" related aesthetics after the Blizzcon 2009's showcase.