Pixar have released a viral video for Monsters University.
Register for Non-Commercial RenderMan
Register on Pixar's website to be notified when the next version of RenderMan is released with non-commercial licensing.
The Blue Umbrella
Here's a clip from Pixar's upcoming animated short, The Blue Umbrella.
Pixar's OpenSubdiv Presentation
Here is Pixar's presentation of OpenSubdiv at the Autodesk ADN Conference.