I would say all three of those are solid choices. In my opinion the seed signer ismarginally superior because you can totally DIY build, order components independently for minimal traceability and market censorship.
Discussion
I’ve been back and forth between the SeedSigner and ColdCard, I was originally leaning towards the SeedSigner due to those factors - and the fact it seems truly open source compared to the other 2 alternatives. I like the minimalism behind it; keeps it simple, keeps it secure. Ty.
Now I m at the same position you were. I m migrating from #ledger due to #security concerns. #Bitcoin