Hello,
I have discoverd that CAD Software CATIA now embbeds iray technology from Mental Images. here is the video i have found on youtube. Looks pretty good, what do you think? Have you tried it already?
Thierry
http://www.youtube.com/watch?v=zP8MDdZw4u0
http://www.youtube.com/watch?v=RRkcDfsmN4M