umm read this guide about tweaking some settings in catalyst.
see it:
[RANK=“www.tweakguides.com/ATICAT_8.html”]HERE[/RANK]
Its 8 pages btw and i am showing only 2nd.
Now do you guys do all that stuff 
err mine are all default settings but that guy seems to say put them all custom… frightfully time consuming it seems. And i have no plans to do it unless its really needed. So what say