So the iPhone kicks butt as far as pre-saving map data in the cache goes.
When you’re at home on your wifi, you can preload all the map lovin’ that you can handle to save yourself downloading it over EDGE (or GPRS on Australia’s Virgin network! Rock on!) when you’re on the road and need those directions pronto!
What’s equally supurb is the way that the Maps App handles routing directions.
If you plug in two locations to check out where you’re heading off to (I find I’m not so much using the Maps while driving, but more to suss out the journey before I leave home), while you’re on your speedy wifi, then iPhone automatically pre-loads all the intersections into its memory.
Even the iPhone knows how bad EDGE/GPRS speeds are, and tries to save you the download time!
So if you’re planning a trip, be sure to pop all this in before you leave home and the maps will be hot to trot before you’ve even tied your shoes.
Of course this has little bearing for me, as I’ve pretty much already cached-up ever square metre of my state at every detail level anyway! No, I am not a nerd!
I wouldn’t have to do this if the iPhone were 3G. But, well, that’s not till next year.