The Mudd reference was pretty sly.
I must be too much of a long-time Trek fan to judge whether the last part of the movie does in fact "bog down" a bit on fannish minutiae as a couple of professional reviewers have suggested - the tone and pace of the thing was seamless from beginning to end as far as I could tell.
The Klingons - Holy Fuck, as Squiggy
has so eloquently put it. Yeah, bring on the Klingons in the third one. They are scary strange. Frankly now that they've established one without the hair I'd just as soon see them all go that way.