AREA | Autodesk MotionBuilder New Features
Also check out the new Max CAT HIK workflow
Here is something that might interested people I noticed in the pres release for 2013.
Also Maya like navigation is coming as well!
3ds Max 2013 announced!: Autodesk HumanIK Interoperability with CAT
Animators can now convert 3ds Max CAT (Character Animation Toolkit) bipedal characters into characters that are compatible with the Autodesk HumanIK solver used in Autodesk Maya 2013 software and Autodesk MotionBuilder 2013 software in a single step. These portable characters enable animators to transfer existing character structure, definition, and animation between the software packages in order to take advantage of particular feature sets. Animation changes created in Maya or MotionBuilder can be updated back onto the original CAT character in 3ds Max, facilitating a round-trip workflow.