The people on the official forums speak very grimly of a Dreamcast port. Meanwhile, people at DCEmu claim that the fighting engine had been previously ported to DC, so...here's hoping.
I've been playing the PC version a lot and keeping up with the patches. They ironed out the terrible audio static I was having with 4.0. But me and a friend played it this weekend and a thug got stuck up in a wall, so we couldn't proceed.