Tweaking.com - Simple System Tweaker is designed to bring only the safest tweaks to your system to increase speed and stability.
Windows is setup in a default configuration. By fine tuning your Windows configuration you can increase the speed and snappiness of the operating system. These tweaks are the ones that are safe and shown to cause no side effects with any programs. Each tweak only gives a small performance boost. But they all add up, so the more tweaks you do the more performance you get.
TIP:
Download@MajorGeeks 
Internode
