These are the ones you gave me
HKEY_LOCAL_MACHINE\Software\ATI Technologies\Driver\0000\atidxhal]
"EnableWaitUntilIdxTriList2"="1"
"TableFogEnable"="1"
"WFogEnable"="0"
"ZFogEnable"="1"
"DisableHierarchicalZ"="0"
"DisableHyperZ"="0"
"FastZClearEnabled"="1"
"Vsync"="0"
"AntiAlias"="0"
"ZFormats"="15"
"ExportCompressedTex"="1"
"DitherAlpha"="1"
"ExportWBuffer"="0"
So which one do i use?