[Hador]

http://fedoraforum.org/forum/showthread.php?t=204921

there isn't one anymore with the shipping of the latest xorg-server. everything happens "automagically" now (you hope). You can still go old-school by installing system-config-display

Code:
$ su -c "yum install system-config-display"

and force the creation of the old-fashioned (?) xorg.conf file.