I hope they have cobbled streets and small back alleys - actually, i hope they compress it into a smaller space to give a feeling of a bustling city with something around every corner.
Fill you're inventory with strange boxes - trying to banking them doubles them which is quite quick. Just the thought of all those boxes will keep you working.
Imagine using this goblin special with smite - if you hit a 16, you would lower the enemies prayer by 4 (smite) and get 10+ prayer points as well. Not sure totally what you get though.