NVIDIA now offers new version 310.70 GeForce reference drivers for NVIDIA graphics cards. These include previously realized performance enhancements for Far Cry 3, Call of Duty: Black Ops 2, and Assassin's Creed III. Thanks MajorD.
It's not partially installed, each item has its own installer and identity on the Add/Remove Programs list. They just wrap it all up with one big master installer to streamline the process. Just suppress that OCD. :p