The FM is a thing only you know do a good job, so dont dont spend time doing skins, missions, this we can do.
My sugestion are: Hell cat, Ta153C, P-51, P-39(-), italian guns, impact grafic shot canon Stuka...
http://www.spitfireperformance.com/
http://web.archive.org/web/200405150...d/Weapons.html