Bradley Gabe has recently posted two tutorials regarding creating bezier interpolation in ICE. He's posted some exquisite videos over the past year. Check out his vimeo channel here.
Tutorial: Build your own Bézier Curve Interpolation in Softimage ICE from Bradley Gabe on Vimeo.
Tutorial: Animation tricks using Bézier Nodes in ICE from Bradley Gabe on Vimeo.
ICE flesh - Production Example - Chick Fil-A from Bradley Gabe on Vimeo.
Another major force in recent ICE video mastery is Ahmidou Lyazidi. He's really showing off the potential of ICE kinematics.
ICE kinematics toon limb from Ahmidou Lyazidi on Vimeo.
ICE arc interpolation from Ahmidou Lyazidi on Vimeo.
He's recently released his arc interpolation node in this video to the community and you can get it here.