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Reynaldo
I can only speak from my experience, but I like the Ledger Nano a lot. So far it seems to be secure (but when setting make sure you use a "clean" computer). The price is great (some $30 (?) if I remember right). It uses a rudimentary "2FA" (two factor authentication) which is perfectly OK if you do not use it much (that is, you should use it for cold storage rather than small frequent transactions).
The Trezor is good too, it also has a rudimentary "2FA".
Both are pretty easy to use.
I have not run into websites or discussions that prove to me that one is better than the other. There are various links here at bitcointalk which discuss these two as well as other hardware wallets.
If you could point me to one of those thread would be good.. I saw the hardwallet post but the discussion does not go for long there.
I really enjoy technical details, I've read some on reddit but still want some more. I really would like that they add the application for a safer 2FA
