Seems like In-N-Out has competition in So Cal now...
http://fastfood.ocregister.com/2010/08/17/zagats-top-fast-food-chains-for-2010/70551/
http://www.ocregister.com/articles/guys-260348-five-burger.html
Five Guys Burgers & Fries
Address: 1549 E. Katella Avenue in Orange, near Tustin Street...