Had a wonderful exchange with one of those. I overshot him in my Tony and I pulled up to bleed speed and to test a manuever. Sure enough, he pulled up to follow me but didn't notice that his speed was slower. He tried shooting me at about 800-1k, and pinged me hard, but all I got was a cracked windshield. He stalled out and I did a rudder over as best I could and then pounded him.
I do have to say though, I"m seeing more F4U's, P38s, and older spits