It was pretty good. I wasn't a big transformers buff or anything but it really did fit the behavior you'd expect, minus the dumbass firing lasers and missing every time that the cartoon had. This time they hit shit, people die, people get maimed and kicked around. It's violent, it's humorous, it's semi-inspiring and carries a positive message on the outlook of humanity, while also pointing out our many flaws.
Additionally the movie aciton-wise is totally badass.