Just a quick webapp to view your iPhone "consolidated.db" location database in Google Maps by date range. You'll need to locate your consolidated.db and copy it to the root of the app. Red indicates a "HorizontalAccuracy" of <= 500, while blue is > 500.

git clone git://github.com/drtoast/locationmapr.git
rvm use ruby-1.9.2-p180
bundle

see http://petewarden.github.com/iPhoneTracker/

cd locationmapr
ruby app.rb

http://localhost:4567