Well, not that I know of, and it usually depends on the distro as well. I know like Mandrake you can do it within KDE. Not sure though with any version of GNOME. You can however use Xconfigurator in Redhat, YaST in SuSe, Drakconf in Mandrake I think that is what it is called, and any distro using xfree86 you can use the xf86config.
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