• Hair shader sytem, akin to face_off's Realism kits or bagginsbill's VSS. Both for strand based hair and transmapped hair.
• Glass/metal/liquid shader systems, liquids as animated or still materials
• Fire/flame shader systems, animated and still
• Atmosphere system (lights/render settings/skydone)
• "Drop to underlying surface" tool, with adjustable speed/precision (PyODE?)
• Object breaker: create breakable objects, subobjects should be closed meshes,. Physics based subobject animation included.
• Hair room presets for fur, long and short hair, curly, wavy or straight hair, with workable starting values for animation
• BVH cleaner
• External renderer support based on RIB export

Just a couple of things off the top of my mind.

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