Disappointed in recent purchase of my TomTom 720! Because it was a great deal I let my husband talk me out of a Garmin that I had my eye on. Two weeks after I had the unit-it would not charge in car-simple solution since it was just a fuse in the charger. However after going to use it again to find a new location-it will not turn on!!! It is fully charged, receiving power but just a black screen! UGH!! First few uses were without issues after getting use to different screens but I have only used it 4 times since screen went black. Positive aspects were the graphics, alternate route options (I liked...