yes, it's not massively overpowering, it's more of a travel thing than anything else as a) all companions/followers/guards/friends/enemies will attack you, you don't regenerate health or have armour and are suddenly very weak to silver and b) your default attack, claws, don't really do all that much compared to a decent weapon with a spec for it.
When i think of something interesting / smart i'll put it here
My brother is a werewolf and while it is fun, it definitely won't make things much easier. It's more for role-playing purposes. A good plus that it has is that you can sprint for quite a bit before running out of stamina. The biggest con is that you can't heal and you can't turn back to human at will. My brother has died many times because a dragon appears right after he turns into werewolf and it's tough.
"It's a basic truth of the human condition that everybody lies. The only variable is about what." - Dr. House
Become one if you want. Cons are you you cant do conventional methods of healing in wolf form, can't access menu or loot items in wolf form, and you have to wait til it wears off to change back, and you don't get a rested bonus for sleeping in a bed. Pros are immune to disease and in beast form you're faster and stronger than normal. It's good if you're over encumbered just transform and you can sprint home with all your stuff. It will by no means make the game easier at lvl 25. Mostly likely you won't even transform that much later in the game