I'm still pondering my own Mars RPG though Warriors of the Red Planet sounds very promising. To be honest I'm getting a bit bored with the continuous regurgitation of the D&D paradigms. If I do move forward with the my own take on Mars it will likely be first as a tabletop skirmish game. My RPG would likely be a skill based game not a class/level D&D derived game.
The Humanspace Empires play by email game has slowed down a lot. Harv has collected some useful intel and fired his weapon once....
[Shortly after this post was made, campaign updates ceased.]
