If you missed it Bitmain has introduced liquid cooled S9 working at higher hashrate. It's considerably more expensive even before you take into account extra cost for ancillaries.
https://shop.bitmain.com/product/det...5628412QI605C6
I suppose it's much more residential friendly with the lower noise from fans or you may be even be able to plug it in your existing central heating system.
In the other developments DPW has introduced new SHA256 miner on 10nM node made by Sanmsung about 25% more efficient than S9, available in September, cost unknown so far.
https://superminer.com/products/