You play some very good games Bort, Diamant is a classic. If you like Diamant, you'll probably like Blockade Runner: Blockade Runner | Board Game | BoardGameGeek
The key driver in this game is that each player must balance profit (by bringing in black market goods) versus keeping the ports open (by bringing in low value war goods).
Just a note that freight costs have absolutely skyrocketed in the last couple years and Milsims have done well in keeping game costs low, most likely by relying more on low cost bulk freight. Hence 10 weeks may become the standard turnaround for back orders / pre-orders, much the pity.