Windows Vista - http://www.vistaarticles.com
Run Windows Vista in High Performance Mode
http://www.vistaarticles.com/articles/445/1/Run-Windows-Vista-in-High-Performance-Mode
By 
Published on 09/8/2007
 
Run Windows Vista in High Performance Mode.
Run Windows Vista in High Performance Mode

Right Click on Desktop > Personalize
Screen Saver
Under Power Management click Change Power Settings...
Select High Performance

Recommend for games / movies etc...