Where the first film had a lawyer spouting Shakespeare, this one mostly has visual panache - crosses and crucifixes rather than dialogue about religion.
An American Affair2009
If you can get past the exploitation-of-minors thing, there's a tawdry exuberance to moments like the one in which the twerp and his overage girlfriend drunkenly splash paint on each other.
It plays really engagingly, with the leads doing a wonderful Mutt and Jeff act and the camera lingering lovingly over scenery that looks awfully pretty in the moments before it gets spattered with blood.
There are no tidy, last-minute plot twists to make you feel good in Fincher's Zodiac, just focus -- to keep an audience focused -- and the most disciplined filmmaking you've seen in forever.