Originally Posted by MùPùF
This is true that a tool should be created to tweak the xorg/mesa options for stability/performance/visual fidelity. Just like amd's control center and nVidia's nvidia-settings
Linux needs A LOT of such tools yet for hardware specific tweaking. Sound / TV Cards / specialty cards / motherboard features (even things like nTune/Overdrive) are items that immediately pop to mind.