<< Are there any new driver options in the control panel tab (such as anisotropic filtering for Direct3D or forced trilinear filtering)?
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There is nView and it has numerous new options for Nvdia's TwinView, but besides that no new driver options that I see.
About time nVidia starts looking after their TwinView implementation, it's started to fall disturbingly far behind ATi and Matrox in that respect.