This Siggraph 2013 Paper video shows a structure-aware hair capture system.
Arnold 4.2 Sets New Performance Standards
Solid Angle will showcase Arnold 4.2 with Cinema4D and Houdini plug-ins at SIGGRAPH 2014.
ZBrush SIGGRAPH 2013 Recap
Here is a massive recap of ZBrush's presentations from Siggraph 2013.
Render Rocket Announces LaunchPad and Throttle
Render Rocket debuts LaunchPad and Throttle at Siggraph 2013.