It's a great problem-solver for some areas, particularly in the first parts of the game when you need a boost. Werewolves lose the ability to gain a rested bonus, but no big deal. My skills are going up faster than I want anyway. the downside, also, is that you don't gain any skill from combat in werewolf form, so it's really a better problem solver than a common use feature.
For example, it's great for the No One Escapes From Cidhna Mine when you're stuck in the mine with no weapons or armor, and you need (want) to kill the "king" and his minions.
It's also fun as hell, and beautifully done, so there's that.
