Pixologic have released a massive trailer for ZBrush 4R7.
Ben Mauro - ZBrush for Environments
Ben Mauro has released a free 3D environment design tutorial using ZBrush, Keyshot and Photoshop.
KeyShot and ZBrush Integration
Luxion have introduced integration between KeyShot and Pixologic ZBrush.
Pixologic - SIGGRAPH 2012 Recap Video Series
Browse through this recap of Pixologic's video demonstrations from this year's Siggraph convention.