Its been a while since I've formated and re-installed winXP pro, probably a little over a year. I don't have any major problems with my system, just a re-occuring start page changer that my virus software picks up right away and I delete it. The only hardware upgrades i've made has been from a ATI 9000 Pro to a ATI 9800 pro, a seprate tuner card, a 2nd 200gb HDD and a NEC 3500a. I'm installing and unintalling pretty freaquently but like I said, I don't have an problems. Just wanted to get som opinions. Thanks