Enjoyable enough, if a little overblown. Big, dumb (it is a mix of different shades of dumb - there's plenty of dumb fun, but also some groan-inducing, forehead-slapping moments of dumb) and fun, it is first and foremost a monster movie, and if you are going just for the monster, then it delivers the goods. It's that kind of movie, meant for the biggest screen, the loudest sound system and the slouchiest recliner you can find. The fact that it also features good actors acting? An unexpected big bonus.