Ok, I just have to ask: what are the textures lacking?  When I look at my renders, I can see the pores on her forehead, light freckles on her cheeks, the creases of her lower eyelid, etc.  It seems to me that there's plenty of detail.  Every skin surface has a bump map and a very slight highlight applied.  Has my proximity to the project affected my perception of the textures as drastically as it  has that of the morphs, or is there some requirement beyond not looking like she was just painted with a completely homogenous peach color like a simple color fill in MS Paint?