I'm in the (very) early stages of getting GP2 to run on the Sega Dreamcast, as the Dreamcast was due to get GP3 and sadly this never happened, the plan is to try and get either an updated/patched version of GP2 running on the Sega Dreamcast or GP2 in it's original form.
There is a version of DOSBox for the Dreamcast so my plan is to first look at getting the original GP2 version working and then update to look more like GP3 and then work on getting that running on the Dreamcast.
If all else fails I will try to get the Amiga version of GP1 running on the Dreamcast and then try to update that as best as I can.
As I'm new here to the forums just wanted to say hey! and will always welcome anyone to help with testing/building or any input they want to provide

James