I like the idea of a more advance PSK kit. Maybe in several different price points. The one currently out, then a $50, then a $75-$100, then the ultimate one with all quality componets?
How about a 'build your own' kit? Where a user is given a list of all items you can choose from , then you pick what you need/want/can't live without, and it gets put together in a bag/metal box/pelican case. Sounds more like REI or MEC where your shopping online. But the thing is, when your ordering online, you have no idea how much space is required to pack the items.
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"One should not increase, beyond what is necessary, the number of entities required to explain anything"
William of Ockham (1285-1349)