Thieves Guild quest line is pretty cool, not at first mind you but you literally build it up from its lowest point. Getting Special Jobs is pretty janky though. You need to do five jobs for each city to get a Special Job for that city, the problem is that regular jobs are handed out at random. So if you want to do the five jobs needed in say, Solitude, you need to accept a job and keep it if its the city you want or quit the quest and re-try until you get the city you want.
