danny: not really, i took a glance here and there but i didnt use it for direct reference, i used a couple images from fineart.sk and some of the male autonomy sketches.
here are the older versions of the head (ick)
http://www.syrogen.com/misc/oldh1.jpg
http://www.syrogen.com/misc/oldh2.jpg
http://www.syrogen.com/misc/oldh3.jpg