I'd like to get some input please. I've already purchased the top row of modules. The second row is what I'm looking at to expand my system so I can start learning general synthesis techniques.

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Most of these choices are based on the comments made on previous threads. But I can see where that would be dangerous given the high variability of functions between modules. Obviously, I'd like to avoid unnecessary duplication and modules that are too niche for a beginner setup. So, the bottom row is sort of a usual suspects lineup. The empty space is reserved for more specialized modules I can purchase after I start to figure out how this thing works. What would you guys add or subtract? Thanks.