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Navigon 7100
Price: $400 at JR.com
Screen: : 4.3-inch
Antenna: external/internal
b>Live traffic: from Clear Channel; free
Extras: Zagat reviews; Limited voice recognition; Bluetooth connectivity
Grade: D

Unit Driveability
Not very easy. The touchscreen is difficult to operate and very slow to respond. A company spokesman told us that these issues have been addressed in an upcoming model.

Road Test
ROUTE: Not great. A simple trip had us going every way but the direct one.
TRAFFIC: Has an internal antenna, but the clunky external one that's included seemed better able to spot delays.

Overall
Other than the fact that the unit comes with free traffic info (the rest eventually require you to pay for a subscription), we can't see any reason to buy it.

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Last updated May 02 2008: 5:09 AM ET
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