I liked this movie a lot. It was as good as the second one. Both not quite as good as the first though. I don't know why it got so much shit. The action was tight and the zombies were cool. I also liked the Umbrella guys being assholes to each other.
I do admit the movie coulda been about 10 minutes longer though. Why was umbrella killing alice clones? What happened with Alaska? Also this probably being the last movie that gets made they coulda shown an epilogue where everything is ok again.