That looks like it's straight out of the Batman animated series, I love that style. And the attention to detail is really great, like the perception of tightness and looseness on the clothes. really great stuff!
Hehe I am migrating from 3DSMAX to Zbrush, and I have to find my way with the different brushes. Things are as different as "modeling" and "sculpting". There are things I can do in ZB that would take *ages* with faces and vertexes in MAX.