I own both hardware wallets and what i can say is i like trezor most because it has a better quality, security and friendly interface
Your statement doesn't make any sense.
Both the hardware wallets are just as secure if not more, and have friendly UIs.
I have a Trezor. The wait time for a Nano was saying 5-6 weeks. I'm happy with it so far - hopefully, they will support NEO soon. I like the passphrase (25th seed) feature it has - which the Nano doesn't have. They might be adding it soon
With the firmware version 1.3.1, all ledger wallets support "
Advanced Passphrase" feature that acts just like the 25th seed in Trezor. It scrambles 24 seeds that are in use and generates a new identity with a passphrase. Its like having multiple wallets on a single device.