in total agree, but if DT wanted rework p-51s, do K maybe it's not so hard especially if he more slowly (it's main reason)...
well, it's all mainly something like "perfection", of course...
if need to select, more D-xx with new weapon for all theaters (what really need, agree with many opinions here), or K, my choice D and hvar etc too...
oh, exactly, "polished" etc... forgot about this... and i asked because wanted to say, if mustang III have correct performance, maybe need mustang IV who intercepted V-1 too (how i read)...
maybe, you not flying much times against pe-2 ?
shkas very dangerous for pilot of E/F, especially without armor glass - more than UBT, i think, because many times was "killed" or had damaged oil cooler, sometimes, even oil cooler+lost ailerons at >500 m - and if you climbing behind fast "peshka" (main attack position in online wars)... plus, glass reduce speed... well, 2 reasons, why not...
of course, it's only my opinion and i'm writing too many little things...
if author of book, Степанец, right, yak-9k had ammo counter, only for ns-45, and we not have this in game...