I have a Nvidia 7600 GT and I have:
Terrain mesh complexity set to 100
Terrain texture size ste to high
Water effects set to low
secenery complexity set to extremely dense
autogen density set to extremely dense
add on dynamic scenery set to very dense
global aircraft quality set to high
virtual cockpit quality set to high with reflections, cast shadows, landing lights checked
Global weather quality set to high
cloud coverage density to mediium
So yeah it works great.
