Segmented Curved Planes

[fts]

I get segmented planes when file linking curvilinear planes from Autocad see detail attached, Is there a way to improve that, I have Curve Steps 100 and Surface Deviation as .156" in File Link Settings. and In ACAD 2006 ...1000 Arc and Circle Smothness, 1000 Segments in a polyline curve, 10 in Rendered Objects and 100 in Countour lines per surface.

Thanks