I have written this Python script to parse .netxml files output by Kismet and then return a CSV file that can be uploaded to Google Mapping Engine. This will simplify war driving campaigns by allowing vulnerable networks (WEP or Open) to be easily mapped on Google Maps.
more here.............http://www.shortbus.ninja/wardriving-with-kismet-and-wapmap/
more here.............http://www.shortbus.ninja/wardriving-with-kismet-and-wapmap/