Based on Garmin.com it looks like the 1390T has bluetooth and the 755 has mp3, but why the $100 difference in price?

Could you pls tell me whether you should choose the fastest or shortest route in TomTom, especially when you need to go to central London or Heathrow Airport? Which route will be better?

Thank you.

I want to connect my Garmin Nuvi 360 to my Mazda 6 car stero. I know how to connect it via an FM modulator, but can I make it so it will interrupt what I am listening to in order to state the commands (not over the music)? Any thoughts?
I want to connect my Garmin Nuvi 360 to my Mazda 6 car stero. I know how to connect it via an FM modulator, but can I make it so it will interrupt what I am listening to in order to state the commands (not over the music)? Any thoughts? How do they make it interrupt the music on built-in navigation systems?

Someone told me you can get a Points of Interest (POI) for the Garmin StreetPilot i3 that alerts you if you are going faster than the speed limit of the area your in. I can’t seem to find this though. Is it real and if so where can it be found? Thanks!

If you buy a TomTom GPS do you need to pay a monthly fee? yearly? etc..

thanks.