PostGIS is my last resort... for simplicity sake, I didn't even want to use any SQL, but might try SQLite. If all else fails, then I will work with PostGIS (always looking for the simplest possible thing that could work well).
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when small people start casting long shadows, it is time to go to bed
A good point, though sometimes simplicity can be very complicated. :) Please post back if you find any useful GIS stuff for SQLite or Berkeley DB; I've been meaning to look, but haven't yet.