My favorite unit from Brood Wars, soundbite-wise: "Let's burn!" and "Turnin' up the heat!". Too bad StarCraft II didn't have the same ... quality for the voices.
Mai_Takayassu said:
I really heard Batman's voice while reading that.
The Colonel from Avatar said that in my head (in the movie, uttered when he spots Trudy's helicopter) and orders the carrier to focus-fire on it.