You may not know it, but Robert Schwalb is a quiet giant in the pen & paper gaming industry. He has designed content for more gaming companies than you may realize, and was one of the early architects of the D&D's latest edition. He is currently running a Kickstarter for a new game he designed called Shadow of the Demon Lord
. I have personally played this game, read a decent amount of its content, and wholeheartedly believe it is a road-map for quick, efficient rules for rapid provisioning of tabletop gaming content.
Check it out, and please consider supporting it. I don't think you'll be disappointed.