Costs start at $1299 and range from there according to product configuration. The software runs on Windows NT, Linux, Irix, and Solaris systems. Houdini Version 6 is scheduled to ship this spring. Houdini 6 will offer workflow enhancements such as tools for creating, publishing, and managing Houdini digital assets within existing production environments, improved character animation tools, global illumination rendering, interactive light and camera controls, and an embedded help browser that can run interactive training materials. The Apprentice program lets 3D artists develop advanced skills while using a free learning edition of Houdini and training materials from Side Effects and other partners. As Side Effects Software readies Version 6 of its procedural modeling and animation software, Houdini, it has announced early access for Houdini Apprentice users.