Mind share about to increase?
Nokia seems to be taking advantage of iPhone's currently poor mapping software. This may get Nokia's Here, formally known as, Nokia Maps, a bit of a boost. Assuming, it proves to be a worthy contender to services like Google maps.
I guess, your experience will depend on where you are in the world. I hope they continue to bolster the map features and info, since I do plan on upgrading to a WP8 device.
It's pretty ridiculous that any Mapping app can't do what you want it to do. All we really need is proper direction from Point A to Point B, a graphical representation of that journey, and turn by turn navigation. By now, ANY mapping app should have...