ZBrush to Photoshop CC - Free Plug-in
ZBrush to Photoshop CC is a free plug-in that sends BPR render passes from ZBrush 4R7 to Photoshop CC through Extend Script functionality.
Digital-Tutors Announces New Tutorials for Maya, ZBrush and Houdini
Digital-Tutors have released new introductory tutorials for Maya 2016, ZBrush 4R7 and Houdini Fluids.
ZBrush SIGGRAPH 2013 Recap
Here is a massive recap of ZBrush's presentations from Siggraph 2013.