Instead of going into the details of the two days I spent getting this piece of junk to work, I'll just outline a few of the many flaws that it Has . The included basemap is useless, provides no topographical information, and only shows major highways and roads in the United States. That means you should spend at least another $75 to $150 on usable maps from Magellan or National Geographic. Magellan does not make software that is fully compatible with Triton GPS navigators, so you will need to download and install Magellan's Vantage Point. as well as three different third-party programs to convert maps from their Mapsend software into a format that Triton recognizes. Magellan's Mapsend software is not Vista compatible, although to be honest the software wasn't much easier to come by. to work with Triton from XP. I've heard online that some people have managed to get National Geographic maps to work even though they are purely topographic and contain no searchable street, city or landmark information unless you manually add them to the TOPO software that you must use with National Geographic software. It's possible that there is actually a way to get detailed maps in this GP. S, but Magellan is generally silent on the matter. Their website offers very little information on anything other than National Geographic maps, their instruction manual (which Magellan advertises you may never need as the GPS is so easy to use) has NO instructions on how to use ANY mapping software and walks away from it assume that you have already transferred detailed maps to the GPS before opening (downloading) the user manual. I even spent two days trying to find someone at Magellan to give me phone or email support, but the customer service is some of the worst I've ever experienced. Maybe in 9-12 months Magellan will find a way to do that. The GPS is more than an issue, but by then I've got my GPS and software back and will be buying a Garmin.