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Great lineup, but you're missing an M1 or M2 Macbook Air running Asahi Linux.
An M2 MBA is on my wishlist, if I'll see a good bargain I'll buy it
If you're looking for a functional unit I'd recommend a minimum of 16GB RAM and 512GB storage. Its possible to run Asahi on less, but it can get pretty cramped on the 8GB/256GB units.
You have a nice collection already though!