Question : Problem: Asus Eee PC - XP Version

I am about to purchase some Asus Eee PC 901 that comes with Windows XP Home. Can I simply wipe and put XP Pro on it? Will all the hardware\drivers etc work?

Answer : Problem: Asus Eee PC - XP Version

Sure can and there are plenty of guides too:
http://www.i64x.com/eeexp.php