I am currently putting together a PBeM En Garde! game. For those who don't know, En Garde! is an old RPG framework created by GDW in 1975. It was originally created as a duelling system with a background to generate duels, but then developed into a semi-abstract RPG. In the game, players specify character actions across a turn of a month. The actions are then co-ordinated and the outcomes determined. Players are encouraged to develop the bare bones of their turn to create a narrative.
I'll be using the default rules, with a setting of Paris beginning in June 1625. If anyone is interested, get in touch and I'll sort something out.
If you don't have a set of the rules, I can help you create a character and get started, as well as providing relevant tables.