as a native New Yorker , I have become a direction snob . I know my way around the subway system , as well as the highway and bi-way of the City . but then , I move to Atlanta , where there be over 100 street name peachtree-something . I carry road map in various place in my car . I purchase the Garmin nuvus 3790LMT GPS Navigator for its ability to navigate road and re-configure route on the fly . and while it be true that several top-of-the-line gp unit can do this , no other unit do the task as well , with as little heft , as do the 3790LMT . this unit be thin and lightweight - two stats that matter when the pull of gravity to a await floor can destroy heftier GPS unit . the feature-packed 3790lmt afford I a lifetime of traffic and map update , as well as Bluetooth connectivity . the unit pair flawlessly with my iPhone , and its voice command `` understand '' I better than my first wife . the setup be easy and intuitive . within minute I be ready to connect the 3790lmt to my MacBook pro and download the most up-to-date map of North America available . the 3790lmt work whatever mode of land transportation you prefer - automobile , bicycle or pedestrian . and it allow you to maximize fuel economy , and save you precious time as well . there be super expensive gp unit for the nerd-acious and for the gadget friendly who love the challenge of difficult programming . the Garmin nuvus 3790lmt be the GPS unit for the rest of we .