We at Argonne are using Intergraph Microstation and GRASS on the SUN SPARC platform. We export files from Intergraph as dxf and import them into GRASS using v.in.dxf. So far, it works pretty well. Pamela Sydelko Argonne National Laboratory 9700 S. Cass Avenue - ES/372 Argonne, IL 60439 708-252-6727