Having had Stargate, and still lucky enough to have AFM in the collection, I did find the background and discussion about the mothership really interesting. There was discussion on RGP five or six years ago about the possibility of ROM existing and possible retro-fitting, but the info back them was that the moving mothership hadn't progressed anywhere near even a working prototype. This info from the designer doesn't really hint at much more that a "design", so it seems to bear out the consensus years ago that it would not be another Judge Dredd Deadworld mod, with ROM available that would work it out there somewhere.
I wonder if it could even be done without extreme reworking of other things, unless it entirely replaced the three bank, even then, a lot of mechanism to stuff in? From memory the Stargate mech wasn't too bulky, but it was really very simple compared to what Brian Eddy seems to have envisioned.
While I wouldn't retro fit my AFM in any event, I would love to try it using the spare playfield if something surfaced.
To be honest, I think that the reason AFM is among the best games ever produced is the fact that they really worked the software because they didn't have a bunch of toys thrown in. Look at Sterns best efforts - LoTR really only has the Ring as a main toy (much like AFM's mothership, I don't really count the Moving Balrog) but very neat software is used to immerse the player, like AFM. Another top Stern, Spiderman, again is relatively light on toys and heavy on good software.
