Yeah, I tried ObjMesh2Solid, but it was was only useful for very low poly objects in my experience as well.

I bought the Mesh to Single Nurbs from Resurf, and it works OK with larger meshes, but its only useful if your object is more or less one sided, and does not have huge amounts of detail. You could use it to go completely around an object, by rotating the object to do it in sections. Then you would have to trim and join the sections together.

RhinoResurf can handle larger meshes, with more detail. I would just like to get a demo that is useable to be able to thoroughly test it. Unfortunately, every time it builds the nurbs surface it forces the Rhino demo to use a save, which does not go very far for testing purposes.