Start working on the diffuse textures. Notice that even I haven't use any texture to describe the specular and glossiness. The skin still hold up quite well.
Blinded by many hours working in Zbrush using (red wax ) couldn't see the dead skintone I used. (See below ) The Warm blooded healthy look is much better IMHO.
Still need to refine details on the eyesocket and improve hair/mustache rendering.
Cold blooded dead look