Electronics Harman Kardon GPS-510 4-Inch Widescreen Portable GPS Navigator and Media Player
Books and Publications Average Rating:

Rating: - Impressive
Have been using it for a little over 2 weeks now and the unit has performed extremely well.

Pros:
- Locks signal instantly
- GPS navigation seems accurate and route/re-route calculations are fast.
- Works great as an Audio/Video portable player.
- Excellent screen
- Vast POI database
- Create & sync your own playlists using Windows Media Player in MTP mode.

Cons:
- Responded slowly a couple of times while playing MP3's.
- The built-in speaker could be a little louder (for multimedia playback)
- Little on the heavier side
- Support of more video formats desired

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Rating: - great item
great item. Just used it through Calif., Oregon, Washington and B.C. Canada and didn't get lost once. Great time saver and easy to use

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Rating: - so so
This is my first gps system. Though I like the features on it it is slow to give direction and in one case was telling me to go left onto a north bound highway when it was clearly marked on the signs to go right for south(the direction I wanted). For the hell of it I got on the north bound thinking maybe there was something I didn't know. No it told me to get back off! Maybe it likes making people go in circles?? I think I will be sending this unit back!!!

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Rating: - HK 510
Some of the bad reviews almost scared me away. I bought this unit anyway. I like it. Easy to use, and it is easy to program in destinations. I'm impressed with the software. Solid unit!