What's the best option for hardware wallet?
Options are:
Trezor
Ledger Nano S
Keepkey
What do people recommend. Any other options aside from those?
There may be other options outside these but these seem to be the industry leaders and to keep your $ safe you want to remain with the best of the best. That being said I personally have used and loved using a Trezor, but
I have seen videos for the others and they also seem capable and as durable as the Trezor. Dont think you can go wrong between those 3 tbh although I think Trezor and Ledger are a bit better options.
There's minor difference between Trezor (original) and Nano S, both have screen, which is a minimum requirement for security. The altcoin support is the difference, the Nano S supports a bit more alt than the Trezor but both are working on the support of various alts . Maybe you can hang the Nano S on a keychain, because of it's shape but that's only a personal preference.