What is the best GPS system and why?

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I need to find a Gps system that is high quality and idiot proof with directions. I know how to program and use technology so I am not worried about that aspect of it, but I literally have NO sense of direction. I want to be able to take a trip to somewhere I have never been and be able to "ask it" where I can get gas, food, etc. If you have a GPS system please tell me why it is the best or not and how it would help me. Thank you.