Your chance to hit in VATS however is tied to your Perception rating, so don't skip on the Perception if you plan to use VATS. VATS allows you to target specific body parts of most enemies.The biggest one (by far - and totally worth its own bullet point) is Action Boy/Girl, as it refreshes your AP much quicker than normal. There are key abilities you will want to get if you are a fan of VATS.