I know its been asked for time and time againbut the yak-3 would be a good addition.
I like this one because its my dreamride  
 28.90ft (8.81m) 
Width: 32.15ft (9.80m) 
Height: 8.86ft (2.70m) 
Max Speed: 357mph (575kmh; 310kts) 
Max Range: 404miles (650km) 
Rate-of-Climb: 2,950ft/min (899m/min) 
Ceiling: 31,824ft (9,700m; 6.0miles) 
Accommodation: 1 
Hardpoints: 4 
Empty Weight: 5,776lbs (2,620kg) 
MTOW: 7,275lbs (3,300kg) 
Engine(s): 1 x M-105PF V12 piston engine delivering 1,240hp. 
Armament: 2× 12.7 mm (0.50 in) Berezin BS machine guns
1× 20 mm ShVAK cannon
6× RS-82 or RS-132 rockets up a total of 200kg (441 lb) 

Its a mix of a yak and a spitfire