Great action if you don't take it too seriously. There were very few slow moments and it kept my very short attention span occupied the entire movie. There is some good comic relief plus Tom & Cameron work well together. All in all a movie well worth seeing.
Really my only complaint would be that the promotions for it started way too early. Corporations & movie execs need to learn that people don't need to be pounded over the head relentlessly for months in order make us want to see or use something.