render optimizer script for 3ds max 2012

The Render Optimizer does a lot more than just turn on unified sampling, and Thorsten has several tutorial on the various subcomponents

If you are overwhelmed by the number of tabs on Thorstens version, Artur also independently has a slightly different version on his site, called "mr Options Manager", which you can find here:
www.dimensao3.com/al
(from other site).