I was working on this character during the beta of zbrush 3, but I didn't end up to anything good...
I wanted to do a second try and it went better! I didnt't expect to take so much time inddeed...
I wanted to do some king of modern version of the Gatchaman character.
The low res mesh were done in max, sculpted/ textured/ composited in zbrush.
A bit of photoshoping to add a subtil glow, tweak a bit the levels.

Here's the non textured version straight out from zbrush
http://sebleg.free.fr/2007/grey%20compo%20copy.jpg