Developing a Random table of Mercenaries to generate something a little different for your campaign? You could do a lot worse than starting with the list of miniatures for sale back in 1980.
Creating and running a Spy Network can add multiple layers to your campaign. The implications of a Faction with a well developed SPY Network are obvious. Judges Guild developed a set of rules for adjudication these types of Factions. Published in the February/March 1981
Roger E. Moore's comments in Polhedron 17: The referenced article in Dragon 83: In case you were interested the comment from GG in Dragon 67: Somewhat strange, since they published an alternate weaponless combat system in Dragon 61: