bought a tom tom for myself a while back and my mother bought one for my daughter for christmas. Its just nice to not have to look at a map while driving lol. They will not always take you the way you want to go and sometimes thur places you do NOT want to be either !
I use my HTC evo Droid,its the only nav I know about that you tell it where you want to go and it actually shows you a picture of the house when you pull up..its also my radio and music player in my car(no installed radio at all) and its amplified and running 2 12 inch subs..its also my laptop and my headsup speed display..o ya its a phone