We have bukkit plugins working with it.
Also, the beta testers, as part of their job, was to determine just how rare things actually were and how much time it took to get 'x' money, so I could figure out the pricing scale of houses. It will be based on size, but I'd rather not pick an arbitrary number like 150 like last time, I wanted the testers to play for 'x' days and based on how much time it took, price a house according to their current balance/time played so it wasnt over/underpriced.