Pixologic have released a massive trailer for ZBrush 4R7.
Ben Mauro - Yukon Pit Crew: Part 1
Ben Mauro has posted a ZBrush video tutorial, focusing on the development of his Yukon Pit Crew project.
Pixologic - SIGGRAPH 2012 Recap Video Series
Browse through this recap of Pixologic's video demonstrations from this year's Siggraph convention.
555LAbs - Demoreel
555LAbs have posted a demoreel showcasing work done using LightWave 3D, Nuke, After Effects and ZBrush.