In Softimage 2012, you can now use attributes from the ICE tree on a mesh to drive the render tree.
For example, the ICE tree on a cube could calculate an attribute that drives the position of the colors on a gradient:
“To achieve those explosions and particle simulations ( tens of millions in some shots ),
we used XSI ICE and all the rendering was done
with our brand new render engine: Arnold”
— Nozon (Director)