Best GPS Devices - 6 to 12 inch Screen Size, Map cartridges / Data cards, USA Maps

'Very fast boot-up. '

'fantastic GPS unit'

'For people who like the idea of having a 7-inch portable GPS and whose dashboard or console real estate is spacious enough to accommodate it, the RoadMate 1700 will make an excellent traveling companion--the best in its class.'

'Large, bright 7-inch screen'

'The main menu of the Magellan RoadMate 1700 is very clean and well-designed, making it easy to navigate for all users.'

'The screen is enormous, and very easy to read while driving.'

'The 740S version is compatible and ready for the additional BlueChart Vision G2, sonar, or audio weather units later too.'

'The 740 package ships with the display unit, a protective front panel cover, mounting bracket, power/NEMA 0183 cable, owner's manual, quick reference guide, and installation instructions. '

'good old paper map'