IMO, the P-47D hands down.
Yep. And so is the:
P-38L
+ ideal for initial bomber escort and then attack a secondary shorter range target
+ dual engines for reliability
+ decent turner
+ lots of rocket and bomb options.
+ good acceleration
- poor ground/underneath visibility
- fuel pig
- big target
CHOG
+ mean mo-fo with those Hispanos
+ decent turning machine
+ decent top speed and dive bombing capabilities
+ good weapons loadout
+ excellent strike fighter from a CV and then sticks around after dropping bombs
- fuel pig
- bigger target
P-51D
+ ideal for high altitude bomber escort for the entire trip or long range airfield strikes
+ excellent top end speed
+ excellent B&Z + turn fighter (except against other turn fighters)
+ good weapons options
+ fuel economy is top notch
+ excellent visibility
+ excellent dive bombing
+ small target
+ accelerates like a SOB in a dive and holds E well in a climb
- accelerates like a slug horizontal
F6F
+ excellent B&Z + turn fighter
+ good weapons options
+ excellent dive bombing
+ very durable
- big target
- rear visibility is poor
- fuel pig
- aerodynamics of a shoebox
Mossie
+ good long range bomber/attack platform
+ excellent against strike and run targets
+ fast in/out platform
+ good weapon options
+ decent fuel economy for it's size
+ best for the fast in - fast out strikes
- wood construction for some components
- really big target