I think it would be best if we have customisable and resizeable flight controls and interface, a better dogfighting AI, customisable gun type (autocannon/machine gun) and calibre (7mm to 13mm for machine guns and 20mm to 30mm for autocannons). I would also like to see an overhaul of the missiles, reducing their locking capabilities, so that they can be easily evaded with maneuvers, but, adding a proximity fuse where the missile would explode at a specific distance from the enemy aircraft.