If you are like me, you always have your iPod handy for any situation, from long lines at the post office to crowded waiting rooms. Now, some great folks over at iPodSubwayMaps.com have done us all an extra favor of putting up maps to all the top subway/metro systems. From Paris, France to Boston, Mass, these maps will work with your iPod Photo or iPod Minis. Download the Milan, Italy map for your future vacation plans. Stay on track with the NYC metro map. The site is updated pretty consistently so new maps are always popping up.