For those who want a huge screen, the Nextar SNAP7 GPS serves up seven sprawling inches and plenty of features, all for a palatable price. More than a stripped-down GPS with a huge screen, the SNAP7 ...

For those who want a huge screen, the Nextar SNAP7 GPS serves up seven sprawling inches and plenty of features, all for a palatable price. More than a stripped-down GPS with a huge screen, the SNAP7 ...

The SNAP7 was loud enough for my car but probably wouldn't be for larger and noisier vehicles. Because of the device's size, your windshield-mounting location is important to prevent blind spots—the ...