Mental Ray 3.8 for Max 2011
My friend Jamie Cardoso just published an article in CGSociety regarding Mental Ray in Max 2011. Check it out
http://features.cgsociety.org/story_custom.php?story_id=5655&page=1
You can also find a bit more behind the scene on his blog
http://jamiecardoso-mentalray.blogspot.com/
Related posts:
Jamie in 3d World
Mental Ray for visualisation 2nd edition