The Foundry has just released Katana 1.0. I used the Sony Imageworks version of Katana on both "I Am Legend" and "Beowulf 3D". It was a fantastic tool back then and I can only imagine that The Foundry has done a great deal to make it a truly revolutionary product. Integration with Nuke will make it a fantastic tool for any production pipeline. Click on the image below to read more.