Ok - now I'll be honest I've not read this forum a huge amount, so if these ideas have been suggested before then I apologise.
I think whan Rubi-Ka really needs is the following...
A CASINO!! (I know this has been suggested now - sorry) and BRONTO RACING!!
Sited in Newland or Wine so all factions can access it, this would be a way of taking some of the money out of the game, but also injecting another bit of fun into the world.
There could be machines like shop terminals that play like the slots in Vegas!
There could also be a few NPCs that you could play for example, pontoon with....
Still with me?
Then how about - these other EXCITING GAMBLING OPPORTUNITIES......
"THE BROKEN SHORES BRONTO DERBY"
Hosted once a day at the Broken Shores Race Track (hehe) - 6 Minibrontos race while excited spectators place bets.
NPCs could act as "bookmakers", giving you a betting slip in return for your stake money. If you win you return to the npc and give him the slip and collect the cash...
So what do you recon folks - I've got my asbestos pants on - flame away!