imop , i would let unperked the F4U-4/C,
cuz:
1. F4U-4 is slow, poor acceleration /under 10k, weak firepower, poor rear visibility , 90% fights are under 10k ,soo if LA7 is unperked , why perk the F4U-4?! Soo what if is fast at high alt?, who's fighting up there @25 000 ft ?
2, C-hog, great guns, but NIKi is better fighter, close firepower and is free, soo if, NIKI/typhoon is unperked, why perk the C-hog!?
imop, i would perk:>
-- Me262--> 150 perks,
--Me163--->60 perks-- BUT . > enable it on more bases, Large A-bases, or Z-bases, cuz are fun to fly, and are lot of large maps where we don't have a chance to fly them long time
--Tempest--->50 perks
Also, give to "2 weeks flyboys" 1-2 free jets bonus, in MA environmet, most of them will crash them anyway, they don't have a chance to make those perks in 2 weeks,
I feel sorry for some of them, crying cuz they can't up certain planes.
I feel somtimes like eating a flufy blueberry pancake, in front of a crying/ hungry kid, but i can't give him some,