So, we're kicking around the idea of three of us sharing a campaign world -- there's a lot to figure out about how this will work, but it's going to be interesting to see if we can pull it off.  We're frustrated with our current system, with the three of us running our own separate games, because it leaves us with no continuity -- there's very little ongoing story in any of these games -- and the story that exists within a given minicampaign falls away completely when we swap DMs.  We want to change that, even if it means more work.