We need a different scaling system and one that allows us to potentially one shot colibri without having to do a skillchain. It should make us that much more effective. Merit+Job points Sphere Grid would be a big step to doing just that and it would look cool and be fun to statisticalize or fill up an entire grid of vana' diel constellation like imagery. We could buy or sell sphere erasers or attribution spheres.
Adding a one-month subscription token purchasable on the Auction House would allow users to trade subscriptions for gil. Also, SE could sell these tokens on their website for real money or sell them for points of which you can buy.