I used Duraluminium ALC-102 as a main colour, and mixture of ALC-102 with Steel ALC-112 for darker panels. I applied preshading along the panel lines with metallic Jet Exhaust paint (no, pure black is nod good idea).
Nice! I have never used Alclads, but have heard that for years they were the best choice for NMF schemes. And judging by your results, not without reason!