I buy a Magellan Roadmate 700 last weekend and return it today . 1 . it automatically shut down 10 to 15 minute in both of my car -lrb- 2002 and 2004 car -rrb- . this problem become severe if I use a\/c on the road . I would rather to believe that be a defect instead of my car battery problem . 2 . this unit lose signal often in both Boston city and rural area . the manuver list become the only way to navigate at that time . 3 . because there be a lot small road in Boston area , I have to look at the screen from time to time to see which exact road I need turn to . Hope the voice guide can tell I the road name I be go to turn to . so that I can pay more attention on the road . the good thing be it be very easy to use . the windshield be very reliable . I be go to see if Garmin 2620 can work better than this . Update 05\/17\/2005 : Got & test Garmin 2620 yesterday . overall , I feel it be better than Magellan 700 . and I will keep Garmin 2620 . Garmin 2620 also lose signal in my car sometimes in Boston area . after press the speak button to repeat the instruction , it be very easy for I to find the destination . maybe it be better to get a external antenna . it be very easy for I to find all my favorit restaurant with 20 mile from my home . if I choose to avoid those busy road , it only take 5 to 10 seconds to recalculate a new route for I . it be relativly difficult to use compare with magelan 700 . but less than 20 minute , you will know how to use it . the problem be it even can not find my home address . and I have to use my neighbor 's address as my home address . multi-user option in Magellan be very good feature .