If Kali was longer (and wetter-I've heard people say they've come off this dry) it would win because its theming is the best of the bunch. Jurassic Park seems cool but I've read the drop is too short.
On a side note, the Tasmanian River raft ride at Wild Adventures in Valdosta, GA, has an excellent whirlpool element that should be duplicated in more rides of this type...
GRR is nice, but there's nothing to see. It has a good theme, but largely devoid of any character.
FWIW, I agree with that assessment. GRR is the best of class in SoCal, IMHO, though I'd vote Popeye above GRR. I really wish I'd been able to get on Jurassic Park, though. That looked like a potential winner to me, too.
We don't need no stinkin' ponchos!!!