On our recent trip to FL we realized that a GPS system would be very handy. We managed okay with computers, maps and Google but it was obvious that a real time system would be better. We usually c...
Another recommendation for Garmin. I have two Nuvis, a 1450LMT and 750.
Get at least a 5 inch screen.
Lifetime map updates.
Spoken directions from the GPS.
Make sure it will do Routes. Many don't. Routes allow you to upload or generate the actual path you want to follow to your destination rather than the GPS choosing the path and then giving lots of "recalculating" when you don't follow its calculated route.