GPS Sony nv-u73t vs Hertz never lost

[slimatmim]

What did you think of the Neverlost unit.

[kodf23]

We bought the sony on our trip to NY and Washington. It was ok but lost the signal from time to time. I believe it was due to the NY skyline. A nice thing is that it reads the street names out loud when it wants you to turn. That was a helpful.

[Chyi2990]

How is the Sony NV-U73T? Is it worth buying? Any problems?

Thanks in advanced.

-Richard