1. Coldcard; Airgapped and great support materials.
2. Jade; Airgapped and when coupled with qr seeds, hardware doesn't hold any private keys so if you lose it, no big deal.  It is a pain to upgrade though.  Takes me several attempts.  When it works though, its great.

However the signing devices are useless if you can't audit your entropy.  That's why anyone with a substantial stack should be using https://www.rudefox.io/burrow/.  Created by '@bjdweck' on twitter, it's a system you can use to manually verify the dice roll using an airgapped computer.