Mariano Steiner has posted a reel of his recent ZBrush sculpts.
Military Character Assets with Joseph Drust
Joseph Drust has created in-depth video tutorials on creating detailed military character assets in ZBrush.
Large Collection of Free ZBrush Brushes
Michael Dunnam has released a large collection of free brushes for ZBrush.
Ten 24: Free High-Res Scanned Head
Ten 24 are giving away a free high-res scanned head created using an Artec M scanner and retopologised using Lightwave 3D and Zbrush.