More content is forefront on the development plan. Mainly this means more monsters, more magic items, and more rituals, as I feel the power sets are pretty well off at the moment.
There are some werewolves in a PDF in the suggest a monster thread over here:
http://www.stonetabletgames.com/forums/viewtopic.php?f=4&t=8&start=10I will be adding more monsters to that thread as PDFs as free downloads. There are also the demons in the free Here There Be Demons module (as well as some human guards) which you can download over here:
http://www.stonetabletgames.com/forums/viewtopic.php?f=4&t=24If you have monsters in particular that you would like to see, name them in the suggest a monster thread and I will fasttrack them (assuming there are no trademark issues) and post them there.
The final book will have at least twice as many monsters, probably more.