So, the RPi Foundation are evidently not standing still and ignoring
the competition [1, 2]. All the better for us, the consumers. These
are getting to be pretty serious price points, hope to see the first
sub-$1 Linux SBC sometime in the next decade.
[1] http://www.itpro.co.uk/desktop-hardware/24587/raspberry-pi-slashes-price-after-rival-launches-on-kickstarter
[2] http://www.geek.com/chips/chip-computer-drops-price-to-8-raspberry-pi-zero-immediately-steals-its-thunder-1640486/