First step is to be able to get the data off the GPS into a useable file (Either KML or GPX, i prefer GPX. Less data, but it's a lot more manageable).
Ahh, I think I'm starting to see the light! My past experience is coming from using National Geographic's TOPO software. This is the only app I've ever needed to dwnload waypoints and tracks to see where we went...but I think I'm already seeing the benefit of the "overlay" files in GE.
So then what do you use to get the tracks off the GPS? Shouldn't GE do this and then allow me to save it off as a KML? Kinda like how it does with waypoints from the GPS? Am I still missing something??