The latest d6 Generation episode discusses Russ's X-Cam Campaign framework. It's designed to be something between a league and a traditional campaign, and sounds interesting. You play small scenarios to accumulate Recon points. You can exchange Recon points to play a strategic scenario to try and win Strategic points, which you in turn spend to play control games to accumulate Control points, which are the goal of the campaign. Craig has posted an X-Cam campaign for Uncharted Seas.