Hacker News Reader

Well it's not exactly a laptop, but how about a Denver-based tablet with a nice keyboard? https://rwmj.wordpress.com/2015/01/08/nexus-9-ssh-on-the-go/

Some chromebooks have aarch64 ARM CPU, including new Acer Chromebook R13

Oh hrm, yes I didn't think of those. Some even have SIM cards.

The Samsung Chromebook Pro looks pretty promising (RR3399, 4GB DRAM, 2K screen), but it hasn't been officially released yet.