Most people can't be bothered to follow Carodan's research. Have a look at http://www.renderosity.com/mod/gallery/index.php?image_id=2015955&user_id=201439&member&np

He has made great progress by reducing the hair width and increasing the density, and has made plenty of stunning images, often using Adorana's hair.

That being said I find transmapped hair a very useful resource for background figures.