I did a profitability calculation on Genesis mining DASH contract. It's not profitable unless the mining difficulty decreases significantly. I believe there are many similarities with DASH and ETH in terms of their profitability. Here's my foundings:
https://steemit.com/blockchain/@danzu51/genesis-mining-dash-mining-profitability-analysis
RE: 💹 Buying Ether VS Ethereum Cloud Mining: What is more profitable for long term? 💲 (English/German)