well I have tried calling Intergraph (they don't call you, i wonder how is their support after you end up buying the software). I also tried Society of piping engineers & designers. I am still waiting for the answer from them also.
My client overseas strictly uses PDS. I wonder if it can open step files or even iges files.
If you guys have used PDS, can you File>open> and what and how many different types of file types it can open. Maybe I can send you a sample to check if it works without giving you much trouble, if its okay with you guys.
Thanks very much.