So I heard this idea on one of the latest episodes of the TESOcast so I can't take any credit for the idea, but I thought I would post it. Without further adieu, the idea.
What if they made the ww transformation a toggle-able ability. Much like the lightning hands sorcerer ultimate. If you have over x amount of ultimate you can transform into a WW and light/heavy attacks and abilities would use ultimate. When you run out of ultimate you will revert back into your normal form. The more ultimate you have the longer you can stay in WW form. I think this is a fantastic idea mainly because in WW form you are pretty much defenseless. You can't heal and your abilities don't offer a whole lot of surviveability. In VR ranks being a WW is more of a hindrance than a useful form to be in. They could easily change the passives to work with this change too. Eg. Devour could give you more ultimate instead of time in WW form.
The only downside I can see with this is in pvp. We would be more of a threat being able to transform more often. But to be honest I think it's a good thing given how many ppl are vampires and how useful thier skills are.
Just thought I would throw this idea out there and if it gets some positive feedback I will track down the name of the person who emailed TESOcast this idea. I used to be a werewolf but then I took a silver bolt to the knee.