The Spondoolies SP20: Better Value than the AntMiner S5?

Spondoolies unfortunately shut down on May 4th 2016. In late 2014, they released the SP20.
Spondoolies crammed a total of eight 28nm RockerBox ASIC mining chips onto 2 circuit boards within a compact form factor.
The SP20 is a neat miner, powerful for its low price with a size and noise level suitable for home miners.