First GPS navigator I have owned. Pretty simple to use. Added a memory card and loaded with music. Don't understand why they don't have an audio out on the vehicle mounting plate. You have to use jack on the side of the unit. Eventually, the little rubber cover for the jack will probably tear off.

This device is easy to use and fairly intuitive. On a couple of occasion, it appeared to have become confused and was going the wrong way. I re-entered the destination and everything straightened out. Haven't had the opportunity to use it on a motorcycle yet. The brightness and volume resolutions are too coarse. Overall I like it.

Garmin has released software version 2.80 for the Zumo 660. The update states the issues brought up in the previous reviews and corrects them. Kudos to Garmin for acknowledging the previous shortfalls, and concerns, then addressing them in a software update. It is always good to point out shortfalls to a company that responds, otherwise they don't know if there is anything wrong.

I presently own three Garmin's, a street pilot purchased 4 years ago, a Nuvi purchased 6 months ago, and now the Zumo 660 for my motorcycle. The Zumo is obviously one of the most expensive GPS units a consumer can buy. It is by far the fastest screen updating and most accurate GPS I own. Beats the 6 month old Nuvi by a long shot. I recently drove (haven't mounted the 660 to the bike yet, wanted to test drive the unit) from central NJ to Baltimore. If the Garmin display was the windshield, I could have used only that screen, it is that fast and accurate. The lane assist function takes all thought out of figuring which lane one should be in for the interstate lane crossover. It was as if the 660 took a snapshot of the overhead signage in front of me and had it on the screen. In checking the accuracy of the unit, I found that I was looking too much at the Garmin and not the traffic, because I was amazed at the accuracy of the river crossings, the bridge crossings, the parallel service road vs. the interstate, to see if the Garmin picked up the subtle differences, it did 100%.

I will now use the included software to plan a route with POI and see how well it performs. With the software update, I'll let Garmin if there is any shortfall because I know they'll listen.

So far, I would recommend this unit and am thinking of adding the traffic cable for the next road trip.

Just tested the new 660 on a 250 ride. In some ways it's unchanged but in others it adds some really cool features. Just a few are: display of the speed limit next to the speed display. I love this. Others are a display of the driving distance remaining to your actual destination, much easier entry of information, the shape of the unit is now much improved. It looks very cool now. I also like that the main map display can be customized not only in direction, 3d 2d etc. but with the other data that displays on it (ie speed, distance remaining, arrival time, etc.). I have a hard time understanding the negative reviews. I believe if you give this unit a chance you'll love it.

This device is easy to use and fairly intuitive. On a couple of occasion, it appeared to have become confused and was going the wrong way. I re-entered the destination and everything straightened out. Haven't had the opportunity to use it on a motorcycle yet. The brightness and volume resolutions are too coarse. Overall I like it.

First GPS navigator I have owned. Pretty simple to use. Added a memory card and loaded with music. Don't understand why they don't have an audio out on the vehicle mounting plate. You have to use jack on the side of the unit. Eventually, the little rubber cover for the jack will probably tear off.

I LOVE this GPS! Have had a number of Garmin's over the years, and am very happy with this one.