If you go at night, the lines are short, but then, most of the lions are sleeping. The habitat is bleak, the lions don't look particularly comfortable, and the cubs even play half-heartedly. They'd probably be happier in a zoo where they don't have people staring at them from the other side of a glass wall all day and all night.
Gift shop has lots of reasonably priced lion items, that's worth the trip (love the T-shirt with a lion and the caption "Here human, human, human!"
Pros: Free, Different, Free Valet Parking
Cons: Lines, Atmosphere