I would love an Arcen space 4x game. Especially if it has scenarios tied to some of your other space games, a ship design system (I have no idea how long I have spent playing around with 4X ship design systems but at least a few days total, probably more), and ways to develop techs not seen in the original games. (I would love an AI War Scenario with the ability to develop a Galactica sytle ftl drive or a Star Wars style hyperdrive.