I strongly recommend CodeIgniter. Actually, its about the only PHP MVC I'll recommend to friends. It's light, simple to understand, but yet very powerful. If you know PHP there's no reason why you can't start using CI within a day probably less. It's just that simple to grasp.
Timothy -- “One of the main causes of the fall of the Roman Empire was that–lacking zero–they had no way to indicate successful termination of their C programs.” (Robert Firth)
