An oldy but a goody - the eMap can be had on eBay for under 25 bucks and is a solid performer. Nothing fancy like color map or such, but I upgraded the map and topo info in mine with a new memory chip of 156 MB and have all the street and topo info in it for half of CO and UT. With a 10 window mount a great deal if you don't need something worth stealing....
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