My $0.02 is the D.520 doesn't have much place in this game. Unless we really start expanding other early war planesets more important than the French lineup, I also would say the other French craft take a back burner to other nation's planesets right now.
Just knew

Krusty would be along as soon as he saw france in the title to beat up the D.520
with his blurred representation on france fighting in WW2
I give his post on this subject a solid 93 on the KrustyBSmeter