Just got my ONE last week and got PLUS service working this week. I moved to San Diego from LA a few months ago and got the ONE so I could learn my way around my new city. When I lived in LA I thought I wouldn't use a Nav system since I was so familiar with the area. Now I realize I was mistaken. If only I'd had this ONE when I lived in LA if for no other reason than the Traffic service...that would have been so useful.