Courtesy Brother Beck, follow this link to a 360 degree view of the interior of the cockpit of P51C tail number 42-103645.
Unless you're on dial-up, in which case it will take several years to finish downloading. I'm on DSL and it was several minutes before I had the whole thing in color. (In other words, I had this post written before it finished downloading. But, hey, I was able to pan, tilt, and rotate the image while it was still mostly black and white, which was still cool)