windows vista 64 user here..... no complain since beginning... before use dual boot after sp1 release i reformat my pc again and vista forever.... dont have any complain.... gaming all smooth.... TF2 120 fraps average in all high setting..... the interface is nice then xp.... xp suck..... i always get spyware using xp.... vista is more secure... other than i reformat becos i dun wan dual boot anymore i dun have any virus malware spyware attack anymore......