Price is nice, but I haven't seen how much hash its able to generate. Which is kinda the most important thing.
Discussion
About 1.15TH/s at 40W
Bitaxe 0.75TH/s at 12W
Mmmm, well there you go.
There's also the Canaan miner that does around 4TH for $150
Interesting, I've just found it, and it's only $99:
Canaan were big in the day, I believe the first company to produce a Bitcoin ASIC miner.
https://shop.canaan.io/products/avalon-nano-3-oct-future-without-adaptor?VariantsId=10369