BleepingComputer.com: Can I run 2 Drivers for one Device alternately

I have read about softmodding Video Cards from Gaming to Workstation because the difference there is actually no difference in the hardware and it's just the drivers. What I would like to know is if I can swap drivers on-demand without a Dual OS setup, I would like to only have to restart the computer in order to swap drivers.

I would like to do this rather frequently to, so I don't want to have to I would like to keep both drivers installed and have the swapping be as easy as changing the screen resolution is.

Windows 7 64-bit, Nvidia Card

Yeah I know I ask about video cards alot.