I think we need to increase the luster of Houses in general. Entice people to expand. Bretonia is silent to me, Kusari is where my Consortium hangs out, Rheinland is half my OSC route, and Liberty.. Ew. I'm glad that I only have to stop once there. On the other hand, the Discovered find a good crowd there.
Even if I wouldn't touch Bretonia with a mile long pole, I still try to encourage people to check it out. They usually end up smugglers, but.. well, I guess it gives KSP and BAF a chance to have fun.