The article is based on information gathered by
http://minr.info/Actually, minr.info is not the "fountain of wisdom", it is heavily rely on the input provided by users here :
https://minr.uservoice.com/Myself I proposed last year to minr.info to take in consideration Black Arrow and Ant Miner and I asked about VMC and XCrowd
The site is not up to date, the old KNC Saturn it is still listed....
So if you can afford, just buy your Cointerra Terraminer.
Or even better, buy BTC.