u shud browse the overseas forum..i found 1, but forgot to save it..actually, yes..u can convert to WinXP but only WINXP Tablet edition.. u'll have probs during installing the driver...u have to find the drivver on internet separately and force install them..better stick to vista, and turn off all vista's graphical interface if u don wanna slow..u can oso turn to Hi Performance to the power settings...cunn!