I have installed packages from xorg-edgers, sarvatt.
Installed fglrx 8.950 from edgers
Followed instructions at links above.
Haven't yet rebooted, but here's results of 'aticonfig' commands:

laptop usr # aticonfig --initial -f
aticonfig: No supported adapters detected
laptop usr # aticonfig --initial -f --adapter=all
aticonfig: No supported adapters detected
laptop usr # aticonfig --pxl
aticonfig: No supported adapters detected