John --

Stay away from Teletype products.

We've tried them and they have bad software, especially the 3300.

Stay with a known brand, such as Garmin. I have a nuvi 260. But any Garmin product will suit you fine I am sure. They also have good customer service and are glad to answer questions over the phone.

My experience with Teletype is just the opposite. And Teletype charges $15 to ship their unit. That is totally unreasonable. It costs them less than $3 to ship it. I know - because I shipped mine back to them.

I also asked them for a shipping refund and they are refusing to reply to my emails or phone messages.

You can also check out a blog that allows people to register complaints with Teletype:

http://worldnav3300gps.blogspot.com/