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Recent reviews for this item:
Herman van der Veen, December 31, 1969 I have seen the c340 and was very impressed with all its features,, and easy out of the box operation,,it has voice prompting that the c330 does not have ,, therefore I am patiently waiting for my newer model with voice prompting the c340
Friedman Wagner-Dobler, December 31, 1969 This is a good GPS and on the whole much more pleasant than the Navman 510 I'd been using. However, it has some drawbacks you should think about:
1) It's quite big. There's no hard case for it and its odd shape makes it hard to pack.
2) It can take up to 25 minutes (figure from Garmin tech support) for the unit to locate itself after it's been moved by more than 500 miles. This makes it pretty useless as a bring-along GPS. Sitting in a rental car for 25 minutes while the GPS figures out where it is doesn't make a lot of sense...
3) The software isn't very stable. I had it lock up twice during a 2-hour trip. Look for future firmware revisions to resolve this. Meantime, the whole unit needs to be reset (which involves removing the face plate - not nice given the frequency with which this seems to be required!)
4) The GPS doesn't seem to be as sensitive as the Navman and loses its position more often.
All in all, I'd seriously suggest giving the C340 a miss. Look at the Garmin nuvi instead - it has more features, the same screen size, the more sensitive SiRF chip set, stellar GPS performance, and a much smaller form factor.
RRII, December 31, 1969 I have own the SP340 for almost a year. It is one of my best buys. It takes the worry on of driving when you are in a strange place or at home tring to get somewhere. I have traveled by air and used it in rental cars and it works like a champ. It is also easy to down load updates when requested by Garmin or to add other up-dates. I have also mailed it to my son at college (his 1st year) and almost had to buy another one because he found so helpful and easy to use he wanted to keep it at school (thank goodness for the home setting he, the car, and the SP340 found there way home). I have also had friends use it and they can't stop talking about how great it is and easy to use.
Joe Amato, December 31, 1969 I highly recomend the C-340, it's so user friendly and ready to go right out of the box.This is my very first Navagation unit and I can't say enough about it! Only what took me so long to get it!!!!!!!!