Cheaper  not . However, with  the same power consumption  is now available two times lighter and much much quieter miner.
      
Set 2 of btcgarden-AM-v1     $1,020.00  over 1.2TH/s   Two Miners' Weight: 10.2kg

Dogie's Comprehensive BTCGarden AM V1 Setup [HD]  https://bitcointalk.org/index.php?topic=677707

Why should I buy a pile of scrap metal, only because it is the cheapest on the market?

Which one is easier to dispose of the year?
And btcgarden-AM-v1 left me over   proper ATX power supply unit. Not self-made, with Only one year warranty.
My ATX  power supply has a 7 year manufacturer's warranty.