Hi again!
Fanart portrait in sci-fi style. Guess who xD
This was a much faster work - it took 3 days to model and a day to render it.
Base sculpt was done in Zbrush. Modeled in Blender.
its very funny the face of that guy, you use vray?
the result of lighting is pretty interesting!
greetings.
looks like nvidia ceo 
welldone!
^^