I needed a car to move my things to philadelphia for the summer, and I rented it from enterprise. It was easy, and they had a good selection of sizes available for rent as long as you reserved a car a few days beforehand.
The prices were good and they had some deals going on, plus they had a number of different insurance options. Few places are this flexible for people under 25 years of age, and this makes enterprise a good choice for those of us.
I also received a free upgrade since they had found out something was wrong with the car I was supposed to be getting...