It also adds in full support for nVidia 3D Vision and spruces up the game editor. Quick saves and a game clock are in too, along with FPS and wifi signal.
The Blizzard team have nerfed the Protoss Zealot, Terran Battlecruiser and Siege Tank and Zerg Ultralisk for being a little too overpowered on the battlefield. The full 1.1.0 patch notes for StarCraft II can be found here for your perusal.
Finally we can know what time it is without having to distract our eyes from the screen - we truly live in a golden age. Have you got nVidia's 3D Vision hooked up ready?