navagation devices used on trips

If you're a smartphone user, I'll recommend an app called Waze. Waze works similar to Google Maps or a Garmin device, but it is user driven, so you get real time traffic info from other Waze users on the roads. I've used this on a number of long trips and have been very impressed with the timely and accurate reporting on traffic/accidents/speed traps.

I know a lot of the newer in dash systems these days have the ability to work with a smartphone, some of them will even display the phones screen on the dash screen. Not sure if MyLink has iPhone/Android integration, but might be worth checking.