Using Pixar's RenderMan

The newest version of Pixar’s RenderMan engine can be used in Blender!
Here’s how to get started.

Download RenderMan: https://renderman.pixar.com/view/non-commercial-renderman

Download the addon: https://github.com/bsavery/PRMan-for-Blender

BA thread with slightly more info and some cool tests: http://blenderartists.org/forum/showthread.php?375734-Pixar-RenderMan-for-Blender!