those who have the aspire one, could you get in touch (pm me via the forum) if you have a fast internet connection, and I will host the drivers hosted on the site for everyone.
Acer Thailand posted windows xp drivers: http://www.acer.co.th
->Acer care
-> Software & Download
-> Driver
-> Choose "notebook" in the upper field
"Acer one" from the second
-> Ok
There are 5 drivers available for windows xp
1. cardreader
2. chipset
3. Lan
4.Vga
5.Wlan
I didn't try the drivers yet... will get my machine tomorrow
good luck