This forum is great and it was an immense help for me installing this unit. Until now I've been a lurker, but I just have to weigh in on comments that are repeatedly made about the navigation and maps on this unit. Time and again I've heard "well every unit has problems." Wrong. Just plain wrong. I've not been to every corner of this vast country, but rest assured, my Garmin unit (owned several) NEVER does me wrong wherever I am - right out of the box. NEVER do I doubt the destination or address. EVER. On the contrary, out of the box, the Z110BT was over a 1/2 mile off on my house (whi