Ok. What would be the difference between this and say Bill Starrs 5x5 (ran it once already)?

It seems Crossfit is based much more on endurance while working at cardiovascular, gymnastic, and weight workouts. It has me highly intrigued considering I really don't want to become muscle bound. If I ever start MMA like I want to I could slim down even further with Crossfit and I have faith it would still keep me strong.

Also, what could I do since I don't have access to kettleballs or items required for some of the workouts because I have plain gyms in the area and at my college?

Basically I'm looking for Anthony, the Crossfit master