I had no problem at all with transmapped hair and Indirect lighting. I rendered this image from a Poser Pro pz3 in about 20 minutes.

"A lonely climber walks a tightrope to where dreams are born and never die!" - Billy Thorpe, song: Edge of Madness, album: East of Eden's Gate

Weapons of choice:

Poser Pro 2012, SR2, Paintshop Pro 8