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The most specific recommendation I've seen was on Mastodon, where they recommended the Pelican i1010, sadly no longer manufactured.  The modern equivalent would be the Pelican 1010, with the Pelican 1012 pick-and-pluck foam to make a tight fit inside.  (There's a set of both available.)

I'm not sure you'd call either of them pouch-style, but certainly protective.  I'm definitely interested in hearing experiences with any types of cases!