Here is a preview trailer for SIGGRAPH 2013's Computer Animation Festival.
Acute3D have launched the Free and Basic editions of Smart3DCapture at SIGGRAPH 2014.
ZBrush SIGGRAPH 2013 Recap
Here is a massive recap of ZBrush's presentations from Siggraph 2013.
ZBrush at SIGGRAPH 2013
Check out what Pixologic's has in store for you with their ZBrush booth at SIGGRAPH 2013.