Nvidia is releasing the Iray plugin for MAXON's Cinema 4D! Check out the Nvidia blog source link for the full read. They will be debuting more of its capabilities during the NAB show. I can say that Iray really is changing how I configure my workstations.
Nvidia at GTC this year showed off their new Iray VR technology which will be released in June 2016. It will be an amazing way to interact with architectural designs with photorealism. This isnt a static image, each light source with Iray is bouncing light, including the sun outside throuh the windows! See the source link for the full read!