Bought a StreetPilot C340 a couple of years ago. Recently paid over $50 for the dvd with map updates. When downloading to the GPS, I got an error - and it has wiped out all of the maps that were on the GPS. Trying to get customer service from them is a joke!! all they do is respond with something else to try. I have asked them in each email - can't I just mail it in to you? I did get through on the phone once, and someone logged onto my PC, looked at the dvd, tried to run it himself, etc. and even he didn't know why it wasn't... read full review »