1)   SpeedItUp Extreme 4.00
Speed It Up EXtreme is an all in one Speed Booster designed to significantly increase the speed of your computer and boost your PC available memory. Making your computer run much faster. Some users reported up to 300% (3 Times) Faster.

 2)   Speed It Up Free 4.91
SpeedItUp Free will speed up any computer system running Windows XP or Microsoft Windows Vista. It works by using New Hard-Disk optimization technology that allows your computer to read data in some cases up to 300% faster from your Hard Drive.