dude I OWNed several........NUVI are good, textar is okay, tom tom is cool.
THEY SHOW YOU LIVE WHERE YOU CURRENTLY ARE VIA MOVING GRAPHICAL MAP, THEY SHOW YOU WHERE AND WHEN TO TURN IN VOICE AND VISUAL PROMPTS.
you can get a list of the streets in advance or just follow the live promps.
It has save this location and point of interests like find the nearest gas station, hotel, food place, etc
it tells you estiamted time of arrival, reroutes you around traffic jams, how fast you are going.
THEY DONT CHARGE YOU A MONTHLY FEE which is nice like cell phones.
FUTURE MODELS will include GPS that you can take off road when hiking...currently GPS are just moving road maps.
costs..........100 bucks to 700 bucks..........I say get the widescreen.