[mcguire]

Greg Costikyan's book Uncertainty in Games is another good source.

And this topic frequently comes up in wargaming circles (frequently enough to be annoying :-)). Some feel that nondeterminism is a crutch for the low-skilled while others feel that it is the only reasonable way to handle a low-fidelity model of reality or that it teaches the valuable skill of how to deal with the bag of rotten lemons that the universe periodically hands you.