Windows Vista's Windows ReadyBoost sounds too good to be true, and based on our extensive lab tests, it is. The technology promises to let you speed up Windows by plugging an inexpensive USB flash drive into your PC. But we found that while ReadyBoost may speed up Vista a tiny bit, it can also slow it down in some instances.



According to the article, about a 4% to 6% increase depending on the speed of the device you have. The problem is that it's difficult to determine the speed of usb flash drives until.you actually buy one and test it. As always, the more RAM the better but you MAY see a boost in performance in theory with an easy to install usb or flash drive.



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