ReadyBoost - Additional RAM is generally the easiest way to improve almost any computer's performance. Windows Vista takes advantage of this with ReadyBoost, which allows you to use a removable flash memory USB drive to boost system memory. This is a very cool feature, so if you aren't already using it, check it out.

To enable ReadyBoost, just plug in a flash device about the same size as your system's main memory. Vista will automatically detect the drive and ask to use it as either an external drive or a ReadyBoost drive. Choose ReadyBoost and you are set to go.

Minimize Graphic Effects - Style vs. Speed. Disabling some of Vista's visual effects can dramatically improve performance, especially for older computers. You will have to find your own balance between looks and speed, but here are some suggestions:

vista usbDisable the Sidebar: If you don't use it, get rid of it -- it's just eating system resources. Right-click the Sidebar > Properties > uncheck Start Sidebar When Windows Starts > OK. Then, right-click the Sidebar > close Sidebar. If you want it back, click Start > type "sidebar" and press Enter.

Disable transparency: Right-click the desktop > Personalize > Windows Color and Appearance. Uncheck Enable Transparency > OK.

Disable some visual effects: Open Control Panel > Performance and System Tools > Adjust Visual Effects.

Driver Updates - Being a newer operating system, it is important to check for driver updates as many hardware manufacturers are still catching up with optimizin