Maybe I should ask in comp.graphics.api.opengl. Considering it's possibly an NVIDIA-specific problem, I don't know...
Nice thread, if a little dated. Page flipping is aka "alternating field sequential."
One problem might be that the OpenGL driver we're using is Microsoft's. That is, the OpenGL driver we're using might be Microsoft's; choosing the info option on the winnt/system32/opengl.dll or whatever says it's Microsoft Corporation's. Hrm.