I like their approach on going smaller, X4 has the perfect size and I feel like X3 is actually even a bit too small (missing usb c is a bit weird tho).
Compared to kindles going bigger and bigger - now with 11+ I feel like they are too big as a handheld.
> missing usb c is a bit weird tho
Everything I own now except for my Pebble watch uses USB-C. I will not buy another device that doesn't use it. (At least with my new Pebble, they shipped it with a USB-C adapter.)