You don't need to purchase expensive computer memory in order to speed up your PC - download Cacheman instead! The Cacheman utility is designed to improve the performance of your computer by optimizing the disk cache, memory and a number of other settings. Cacheman prevents frequent paging to the hard disk caused by poor memory management, so you get improved performance, faster system reaction time and greater stability. Wizards and predefined profiles make it suitable for novices and yet it is also powerful and versatile enough for the more experienced user. Cacheman also corrects generic problems on systems with more than 512MB of RAM.

Cacheman Features
Optimize your Disk Cache, Name and Path Cache, CD-Rom Cache, and Icon Cache to speed up your computer
Periodically recover memory
Tweak several system settings to improve performance
Watch and monitor several important system values within Cachman's graphical user interface, including the computer system Overview page, History Graph, Logging, and Tray Icon.
Create system configuration reports