Guys what is more reliable, accurate, fast, easy to find signal and easy to update kind of Gramin GPS Nuvi50 or the AVT GPS both have the same price but dont know which one is better... My friends said is Garmin because its number 1 in the US yet maintenance such as update has additional fees daw.Our mechanic in honda and my patron seller in banawe prefer AVT is more useful in out country.... need help guys