My friend just buy a Acer Aspire 5735z laptop and asked me to downgrade it to XP professional instead of Vista...

I was very glad to see the nice blog

http://komku.blogspot.com/2008/12/acer-aspire-5735-5735z-windows-xp-and.html?showComment=1230670140000#c7576225549037615940

with complete driver's pack for XP, that is completly absent in original ACER internet site.

Tomorrow I will finish the job, i hope.