How about an email once a new member joins with some type of questionair/feedback. Xaak, can this be done with the current board's features?
As for some of our inactives. This could also spark interest by creating a generic newsletter type message out to those informing of our progress ambitions and current goals. There must be reason why we have inactives to begin with, and by reaching out to those indivduals helps keep the wheels in motion.
Included could be stuff like a questionair, FAQ's, how can we help, visit our forum, IRC channel and other news related to TSWB.