Strengths: Portable GPS; Bluetooth; Rechargeable lithium-ion battery

Weaknesses: Windsheld stand.

Summary: I love this little machine. It's incredibly intuitive, has clear graphics, reasonable reception in Manhattan (no GPS is great with tall buildings), but it seems to konk out after a night of charging. Have no fear! It's not dead, just do a soft reset! Use a pin and hold the soft reset button for 5-10 seconds (the reset is not on the face, but in the hole at back where the unit connects to the base; opposite side of the gold circle, up just a little from the green strip). Apparently the battery shuts down if it's overcharged, so if you charge it for more than a few hours it might not turn back on again. Reset it and you'll be on the road again!

Strengths: Looks great, modest but extremely functional mount (an improvement over the GO 300 mount), easy to use menus, several "smart" features that are not found on competitors offerings, price reasonable

Weaknesses: maps are not nearly as up to date as competitors', two firmware updates already since release, mounting motion is a little awkward

Summary: As a previous owner of the TomTom GO 300, the upgrade to the Go 510 was a no brainer. Compared to other GPS offerings from Magellan, Garmin, etc., the TomTom is much more fun and friendly, rather than overly technical. GPS reception and tracking work great and I am satisfied with the routing (not perfect of course, but what is?). I do wish, however, that the maps would be better up to date. A friend of mine has a Garmin GPS that is nearly a year old however Garmin's free map updates make his more up to date than my TomTom. The dock/mount is very neat though it takes some getting used to and can be awkward at first. Overall I'm very pleased and would recommend it.

Strengths: GPS location and direction accuracy are pretty good.

Weaknesses: TomTom Plus service is only available with bluetooth cellphone.Not enough POIs

Summary: TomTom GO510 is my first GPS. At first I was interested in GO300. By the way I heard the new version GPS would be launched soon, so I have waited till GO510 launch with expectation for better performance. This is a little bit smaller than I expect, but has enough size to contain informations. Because this is the first one to me, I cannot compare between GO510 other GPSs. However, so far direction and location accuracy are pretty good. Also when I missed and passed by the street, recalculation time is fast enough. There are plenty of POIs, but I could not find Costco, Macy, Target ... POI provides only shopping center. But I could find many restaurants. Because of direct sunlight, screen is not clear sometimes. But I guess this is not only GO510 problem. Overall I'm satisfied the performance, and hope more POIs updated soon.