I just install Suse 11. and i try to change resolution but i can’t.
“You X server is using the RandR extension at version 1.2 or greater which doesn’t have any configuration yet”
go into yast2 > Hardware > Graphics Card and Monitor thats if your using kde 3.5.9 if gnome not sure about that
i fixed with screen resize & rotate
but tnx 
good to hear you got it sorted