I install this gp in my car and use it daily . GPS 's have come a long way in the past couple of year . this unit have a rapid acquisition time and very good monochrome display . I drive through rural area and as long as you load the detailed map for that region , the GPS will do a great job of select a route and finding just about any address . it do well in the dense city too . if you use the gp at night , you really need to use the car 's power instead of battery . you can do this by hardwire the unit into the car or use the supply cigarette lighter adapter . it be difficult to see the display in the evening and at night without the background light . the refresh rate of the unit be acceptable , just barely though . once you give the unit a destination , it do a wonderful job beeping and give you ample warning that a turn be come up . in future generation of this unit , it need more RAM , larger display , and faster processor . but , I find it a great navigation tool and doubt that I will get lose use it .