Why I buy this one ?
- Boolean and Bezier modeling, Polygon mesh modeling and auto-smoothing of curves to detail projects.
- Global Illumination Renderer includes Photon Mapping, Path Tracing, Raytracing and ?Radiosity with physics? for photo realistic imagery.
- Callisto, the rendering plug-in with global illumination and detailed settings, has been upgraded. A translucent shader and metallic shader have been added, and aberration is now supported.
- Introducing ShadeGrid, for improved network rendering. Network rendering and render queue with support for unlimited number of computers (professional version) or one additional computer (standard version). Shade is able to automatically search all available ShadeGrid servers that are running on the same local area network, display the IP addresses in the preference dialog, and put them to work rendering your file.
- Supports pixel depth in 32-bits, 64-bits and 128-bits for all rendering image output.

Amazon.com offers this stuff with condition New, new for:

Price : $199.99 Usually ships in 24 hours