Not having grown up in the area I live now, I would frequently get anxious when going new places in unfamiliar territory.  My husband finally decided we needed to get a GPS so he wouldn't' have to constantly receive calls from me (he grew up here) asking where in the world I was and where I was going! :) 

We did a lot of research and ended up with a Garmin, and I'm glad we spent extra money on it. Only once in a fairly rural area did it fail us (couldn't pick up our location, and it was actually rather comical as our car on the screen just kept spinning around and around for about 5 minutes!) but...