So the black market items are random. I love this. The only issue is with the pairing of the spy and the hologram. I think those two should be linked together so that when 1 appears the other is there as well as an item (even if it means you have to have 1 more black market item than normal). At least spy shouldn't be a standalone without hologram.
I played a game where the spy option was available in the market but there was no hologram. What's the point of buying it if people can't disguise their buildings anyway?
Keep up the good work on beta 4. Fun to play!