Hi
Also I have bought axis game factory and I must admit that it is really well done. A system to export from AGF to FPSCR is this:
http://wiki.unity3d.com/index.php?title=ExportOBJ
It 'sa bit rough but it should work
The software I use? ... Autocad, sketchup, Spazio3D, pconplanner, Kerkythea, wings3d, paint.net.