One of the coolest things I ever saw at an airshow was the P51D mustang flying wingman for an CF18 hornet......
As for making the hairs stand up: imagine if you were an older german citizen who lived through WWII. Imagine the memories that would bring back?
I'm an old warplane/nostalgia buff from since I was a kid but after seeing the D-Day museum in New Orleans and thinking back, should we really be celebrating machines whose sole purpose is to kill? (even in a defensive role they are still designed to kill.....)