Garmin City Navigator North America NT 2009 Update 10.0 provides comprehensive road maps and millions of points of interest for USA, including Puerto Rico, and Canada to use in our computer or GPS device. It gives information for both metropolitan and rural areas as well as traffic issues and data, such as one-way road, roundabout, etc. It features voice commands for a safer driving. We can buy it online from the developer's website. It is available on DVD, SD card and microSD card. The DVD includes MapSource, a tool for planning ahead our trips and routes in our PC and then transfer to our Garmin device. We can see the demo online at the Garmin site.