$55 once you add a useful amount of memory but all the same it's genuinely functional even for light internet usage. Pretty impressive stuff. Wintel is headed for an inevitable death at the extreme low end because at this point the experience you get for 50 odd bucks and a used monitor, keyboard, and mouse is better on ARM+Linux.
The year of Linux on the desktop? 2019? I mean, really?
We can only hope :)
Windows on ARM builds are looking really cool lately and the x86 emulation system is supposedly getting really good at running old Windows apps on ARM to point of running Steam and some older games even on ARM.