With all the neat new electronic toys we have, lets not forget the first rule and that is to have a current paper map of the area you are in and a compass to orientate you.
Like most all electronic gadgets, they tend to fail when they are needed most.
Have fun, be safe, light the fires and kick those tires...lets go exploring !!!
I carry a washington gazeter sort of map when I am out, but it doesnt have the detail I want in some cases. And yes I know to have the basics.