Update: See Planet Softimage for more details and vidoes.

Features:

• Modeling tools—Enjoy new options for thickness, hole capping, edge cutting, and extrusion, together with a new Add Smooth Edge Loop tool.
• Selection tools—Create different component selections faster and more easily.
• Bullet Physics—Take advantage of enhanced collision detection in ICE (Interactive Creative Environment) and rigid body simulations with newly integrated Bullet Physics.
• Animation & scene management—Enjoy improved overall productivity with a number of enhancements that increase efficiency throughout the pipeline.
• ICE enhancements—Now customize production and pipelines more easily with the ability to attach and run script code inside ICE Compound Property Pages.

via Autodesk – Subscription Advantage Pack for Autodesk Softimage 2012.