This movie is basically a microcosm for everything wrong with Star Trek movies: it seems like the people who made the film are not quite sure whether they should court the hardcore Star Trek fans or they should pander to the action movie lovers.
Also, as George Takei, who played Sulu in the original series, noted, it might've been more interesting to see Benedict Cumberbatch as a new character, rather than as Khan.
Memorable quote:
Bones: Don't agree with me, Spock. It makes me very uncomfortable.
Spock: Perhaps you, too, should learn to govern your emotions, Doctor.