Sat Nav Accessories Tom Tom And Other Sat Nav Devices?

Tom Tom and other Sat Nav devices? - sat nav accessories

Tom Tom is widely regarded as the best mobile products for your vehicle? I also wonder what is the difference between all the different models? I have tried a low unit costs for the United Kingdom and the return on investment, because if I go somewhere unknown and can not stop reading my road atlas. I do not know how the suction cups and rubber, although I if you can accessories of such articles so that you can get into your air vents instead miracle? What is your opinion of tom-toms and other brands such as Navman, Garmin, etc?