I love maps. I've had printed atlases for years, I have globes all over the house, and I had some of the early mapping applications for the Mac like DeLorme Street Atlas. Sadly, DeLorme abandoned the Mac years ago. Suffice it to say that any new mapping application will get my attention right away. Let me direct your attention to UpNext HD Maps. It's a free app for the iPad that gives you searchable, zoomable maps with 50 of the cities rendered in 3D, and 23 with extremely enhanced details. You can click on a building and see what businesses are inside. You can search for recreation, dining, shopping and more. The app is connected to Yelp so you can often find reviews of places that might interest