Spec Op kits can get points for blowing up the UAV trailer, artillery, and the likes.
Blackhawk whoring slowed down to some extent, due to people actually having to hop out of the chopper to assist in capturing a flag.
From what I can tell though, instead of capping flags Blackhawks now pretty much just circle the flag mowing down everybody that spawns there :lol
some Special Forces guns (expansion only) unlockable and usable in regular Battlefield. Expect to see Flashbangs used to an annoying degree in regular Battlefield too from all the guys who own the expansion pack but can't get out of Karkand out of their minds (I'm one of them :lol)