I've been flying mainly the A6M3, the P-47M, Ki-84 and the Bf109K-4 lately... and I will say, as Ripley stated, the P-51 (I only fly the Bravo in Fighter mode anyway) is a LOT more of a challenge to "fight" in than any of the three above... that's just my personal experience... since I have started flying the above planes, my hit % has sky rocketed, and my K/D is a lot better than it has been (though it is still trash).
I do have trouble finding fights, however, and I don't mean this b/s 1v1 with no one jumping in stuff... that's not what the MA is about unless you get lucky. (Did get my lunch money taken by Dodger in his C.202 vs my K4... humbling, but good fight as usual... 1v1 the other night).
The P-51B is a damn tough plane to get kills in... yeah I am sure you can BnZ and run in it, that's just not my bag. I stick around too long, fight the other planes fight, and I lose. My hat's off to the guys with the skill and discipline to do well in it. Not to disparage those who actually FIGHT in the P-51D... which there are several that come to mind, like the 4th FG Debden... the extra oompf at lower alt, and the 50% increase in firepower makes a big difference.
Those that disparage
all pony drivers, and just lump them all together with the one-way-ticket auger-bombers are extremely sore losers. I've seen it time and time again, someone gets beat in a rolling scissors, isn't paying attention, or is just plain outflown... and it's "get a real plane" or something to that effect.
I've killed as many Pony-D's this tour as any Pony-D has killed me in any ride. If someone wants to take an ENY 5 ride up that has one thing going for it, more power to them.
