This is extremely cool: http://www.nationalmuseum.af.mil/news/story.asp?id=123336535 (http://www.nationalmuseum.af.mil/news/story.asp?id=123336535)
3D rotating views of the cockpits of some of the most iconic aircraft in the history of this country. Free from the Apple store.
Some of these birds I can't imagine how long it takes to learn to fly. There are a million and one things to look at and keep track of.