ATTACK OF THE ClONES is great. Some aspects of the movie are wooden, like the "romantic" dialouge between Portman and Christianson. And just Christianson himself. But don't worry. His character is better to watch in Episode 3.
But the effects are amazing, and Christianson is really the only actor who isn't that good. Many people have panned Portman for her role, but really she didn't have that much to work with. Some standout actors are Ewan McGregor as Obi-Wan, Christopher Lee as Count Dooku, and Samuel L, Jackson as Mace Windu.
Violence is more intense than in the previous films. Humans, among robots, are shot, maimed, and stabbed non-graphically. One character is decapitated bloodlessly. There is some romantic tension between Portman and Christianson, but nothing sexual. No language or drugs. Characters are loyal to each other and are willing to die to save their friends.