After doing more reading of forum posts, we are re-thinking this satellite navigation situation. First, as some have commented, Microsoft Streets and Trips looks like a good thing to have for preplanning of ones trip, especially the version for RV's ($70 - see link below).
http://www.microsoft.com/streets/en-...sonsToBuy.aspx
As for the GPS unit itself, that will take a bit more research. The "hiking" versions of Garmins, while pretty impressive with topographical maps, is very pricey. But, I need to see if I can find a version of GPS that will notify of low bridges but can be taken out of the vehicle and be battery operated.
If I can find such a product, then both the GPS and the Streets and Trips could be helpful in finding large RV friendly fuel stops and such. While I will still appreciate anyone's input with suggestions or recommendations, we are not in a big hurry to get anything yet. After all, we're still in Oklahoma City and will be for a while, and we know the city pretty well.
One individual posted on another forum that as a safety precaution, not to program one's GPS with their home address. Should a thief break into one's vehicle to steal their GPS unit, while one is giving a crime report to the police, the thief is breaking into one's home. They suggested programming one's "home" setting as the local police department. Kind of makes sense, after all, other than being on the road, most of us know where "home" is located and wouldn't need GPS to find it.
Perhaps others of you have "tips" for GPS owners as well. If so, why not chime in with them.
Thanks again.
Terry