hhhmmmm.. i would take Hs129
With MK103 or 37mm BK3,7 it should be good plane. As you can see from the pick, the 75mm gun is just too heavy for Hs129.
Hs129s cockpit/nose armor weighted about 1080kg (2,380lbs) and windscreen was 75mm (2.95in) thick armored glass.