Warp wrote:
>   The farther away you are from the border of the set, the fewer iterations
> it takes for the complex numbers to bail out (ie. to exit the circle of
> radius 2, which is usually what's used for this). The closer you get to
> the border of the set, the more iterations it takes for it to bail out.

Ah! I see. Very cool.  Thanks for the insight!  That makes sense now.  I 
hadn't connected it with "how close to the edge are you".

-- 
Darren New, San Diego CA, USA (PST)
   Serving Suggestion:
     "Don't serve this any more. It's awful."

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