I think they could have cut 45 minutes out of the middle. It seemed to "Jurasic Park" to me and like they were showing off with the computer animation. Get the ape to New York already!
I am a big fan of Jack Black, but didn't like him here. I know he was supposed to be an unlikeable character, but it seemed a bit over the top.
Also, you have to leave you sense of logic at home. Kong rips Naomi from being suspended by ropes tied to her wrists. The ropes break, but she doesn't dislocate a shoulder? And how come the ropes aren't seen still tied to her wrists? Also, she runs barefoot through the jungle for hours on end - I can't walk down my driveway barefooted! And how does that small, crippled boat haul King Kong to New York?
On the plus side....
The scenes and depiction of the depression era were fabulous! And King Kong had the greatest range of emotion than any prior releases.
Go see it, and make your own judgement!