I always thought that Kerrigan was an annoying and obtrusive bitch - I mean, goddamn it, I want to kill aliens here, not deal with the "Queen of Blades" mythology crap.
YOU WANT A PIECE OF ME, BOY!?
I gotta admit, though, Starcraft 2's voice work is pretty good, and most of the quotes from the original have been redone rather well - they don't sound like different people, and when they do, the voices still FIT.