1.109-G6 I think has to be one of the best all around fighters in AH2. I also love the spanish skin on it
2.F4U (all models) One of the most deadly aircraft on the deck. With flaps out on this bird, i could turn with an F22

3.Hurricane2C Love the aircraft, can turn on a dime, good armament, good ammo if you can fly it right
4.Ki-84/Ki-61 2 best Japanese aircraft in this game (in my opinion), if not on par with say a Spit in turnfighting.
5.P-51 Great payload, good armament, one of the best dogfighters above 15 k
6.P-38J/L Great B-n-Z aircraft, not the best in a turnfight though. All models carry a great payload.
And last but not least.....
7.Mosquito God i live this thing for porking runs, vulching, townkilling, dogfighting.....
Just my 2 Cents