Is it true ? Yes,you can use eBoostr 1.1 ,which can be realized through the vista readyboost technology to have improvement in perfornmance.In other words,window XP users can use readyboost technology.
In addition,eBoostr 1.1 also have the following advantages :
1.Support both USB and non-USB removable media devices.
2.Compatible with all readyboost ready device.
3.allow to 4 devices for simultaneous smart caching.
4.Smart caches frequently used applications and files for maximum performance speed up.
eBoostr 1.1 is not a free software,you can download a trial version to have testing first before purchased.After trial run few days in my old desktop,noticed that must use minimum 1GB flash drive then have 20% ~ 50% improvement performance obviously.
PS:you can use Google to find the eBoost 1.1 crack software.