Check out this timelapse of Cezar Brandao's sculpting livestream.
TexturingXYZ Wokrflow Tutorial
Jeremy Celeste has written a tutorial on mixing ZBrush displacement and Texturingxyz maps in a non-destructive, interactive way.
Nick Miller's ZBrush Tools
Nick Miller has created a collection of tools that automate, expand and add features to ZBrush.
Learn all about nanosculptures, as created by Jonty Hurwitz through the use of ZBrush.