Dr. Strangemonkey said:
Hmm, yeah, I just don't find D20 Modern to be very compelling. Adventure! D20 might be the perfect fit.
Perhaps a bit more info would help, how are you planning on making it Barsoomy exactly?
I don't know the
Adventure! D20 game, so I cannot tell. However, my idea was to make the game something else than D&D, so it begins with removing D&D rules and races (dwarves, elves, halflings, who are definitively Tolkienesque to me, and really don't fit in Eberron as far as my taste is concerned), and replace it with d20 Modern or Adventure! D20 if you prefer.
Now, when I say "barsoomy", it's a way to explain a different type of setting where a guy from 1950's Earth comes to a world of fantasy/sci-fi with swords and ray guns, and a strange ancient technology that looks almost magical. In dungeon #101, there was a small mini-setting called
Iron Lords of Jupiter that adapted d20 Modern to such a kind of barsoomy setting (called "Planetary Romance"). However, at 31 pages, it's rather short on info for making a full fledged setting. My idea, would have been to expand and flesh this setting in using Eberron.
As such, I would use all the crunch (new feats, new advanced classes, techno-weapons and devices, etc.) of
ILoJ into Eberron. Conversely, no more D&D classes and rules in Eberron. Then, I would probably turn the Artificer into an advanced-class. Lastly, I would probably get rid of spellcasting (or would use very rare FX spellcasters from d20 Modern), but would replace them with psionic-users (using Xpsi, or
Restless Dreams: A Guide to Modern Psionics which is d20 Modern Xpsi). Then, I would adapt the fluff and races from Eberron with that of
ILoJ: Marikons and veths would be the dominant races, replacing humans in Eberron; all the Eberron specific races (warforged, etc.) would also exist there, as normally in Eberron. But humans would be a minority captured from Earth, and often living as slaves; while dwarves, elves, halfings, etc. (all the PHB races) would NOT exist. Dragonmarked would be restricted to marikons and veths. Otherwise, all magical trains and flying boats and the like would be explained in fantasy technological terms as in
ILoJ; and along swords, people would be using ray-guns and the like.
As for campaigning, some PCs would be humans brought to that world as suggested in
ILoJ. They would thus be total foreigners in a strange world, and that in itself would add to the peculiar ambiance.