It's like cellular automata!  There's this fine line between too much order (boring) and too much chaos (just a big blur).  Right on the line, the "edge of chaos", is where all the interesting stuff happens.  Like life, for instance.

http://en.wikipedia.org/wiki/Cellular_automata
http://en.wikipedia.org/wiki/Edge_of_chaos
http://math.hws.edu/xJava/CA/EdgeOfChaosCA.html