Watch screenshot at
TPU.
If you didn't follow my driver news: there is already SLI support in Forceware 197.xx
<PROFILE Label="3DMark11">
<PROPERTY Label="multichip_dx10_rendering_mode" Value="0x080000F5" Default="0x080000F5" Itemtype="predefined"/>
<APPLICATION Label="3DMark11Cmd.exe"/>
<APPLICATION Label="3dmark11.exe"/>
</PROFILE>