As some members are waithing to join and some are wanting to leave i think there should be a waiting list so every member who leaves a new member joins.
As a microgaffer, I also think its a good idea to introduce more members to microgaff, even if no-one is leaving as it gives people a good pportunity to become more part of the giffgaff system. one thing I might worry about with this is quality control - the more members join, the harder it will be to regulate who isn't sending well cut sims, but I'm sure someone will think of a way of making sure it is up to standard, in which case I am all for it
I have been a member of Microgaff since it was in beta, and I myself was, and still am - just like mgb2, andy0, oldyorkie and others - firmly against the closure of the system to new members, and have expressed this in the relevant discussions. The excuse given is 'quality control' - but what about us? We were let in with open arms, so why not others? It is meant to be a community-run service ...