David Richardson has created a multiple-part tutorial for modeling a mech in ZBrush.
Sketching in ZBrush for Designers - Free Chapter
Jose Cuahas released a free chapter from his Sketching in ZBrush for Designers tutorial.
Primate Anatomy - ZBrush Tutorial
Ben Mauro's foundation primate anatomy/sculpting tutorial for ZBrush has been released on the Badking website.
2 New ZBrush Character Production DVD Releases by Michael Pavlovich
Eat 3D have released two new ZBrush character production DVDs by Michael Pavlovich.