http://mamedev.emulab.it/kale/I've been waiting for this one to be cracked.
Still not perfect, but progress is being made quickly.
I'm not sure how the hardware stacks up against other 3D hardware like M2, M3, etc.
Hopefully it will play full speed in MAME when fully emulated.
If not, maybe it will get added to Demul now that it's inner workings are being figured out.
Xtreme Rally
Road's Edge