I think no one is going to bother getting it emulated on a PC because that would require a massive amount of reverse engineering, and no one wants to spend that much time looking at ROM disassembly and poking at a Genesis. Furthermore, the boot ROM would need to be dumped somehow too. I don't even now how feasible it is to rig an interface to the SVP.
The thing is, only this game used it. And there are at least three superior versions of this game, especially the arcade one which is playable on MAME. If that isn't any good for you then the 32X version is significantly better too.
Not to say this game isn't impressive. I rented it when it was brand new and the whole experience was kinda a suspension of disbelief as to how my Genesis could be producing these graphics. Of course I was unaware that it had a dedicated chip, and that it cost as much as it did.