I've refined my search for errors in my XF86Config-4 file down to one error found in the XFree86.0.log:
(EE) No devices detected. And this informational line: (II) ATI: Candidate "Device" section "Generic Video Card". Do you spot any suspects in these sections? (Thanks for the help) === Section "Device" Identifier "Generic Video Card" Driver "ati" BusID "PCI:0:16:0" VideoRam 8192 Option "UseFBDev" "true" EndSection Section "Monitor" Identifier "Generic Monitor" HorizSync 60.015 VertRefresh 75-117 Option "DPMS" EndSection Section "Screen" Identifier "Default Screen" Device "Generic Video Card" Monitor "Generic Monitor" DefaultDepth 24 SubSection "Display" Depth 1 Modes "1024x768" "800x600" EndSubSection SubSection "Display" Depth 4 Modes "1024x768" "800x600" EndSubSection SubSection "Display" Depth 8 Modes "1024x768" "800x600" EndSubSection SubSection "Display" Depth 15 Modes "1024x768" "800x600" EndSubSection SubSection "Display" Depth 16 Modes "1024x768" "800x600" EndSubSection SubSection "Display" Depth 24 Modes "1024x768" "800x600" EndSubSection EndSection Section "ServerLayout" Identifier "Default Layout" Screen "Default Screen" InputDevice "Generic Keyboard" InputDevice "Configured Mouse" EndSection Section "DRI" Mode 0666 EndSection