I've been poking around the last couple of days trying to figure out how likely one is to at least break even on a ~$1500 "investment" for the 6 GPUs and barebo

I've been poking around the last couple of days trying to figure out how likely one is to at least break even on a ~$1500 "investment" for the 6 GPUs and barebones components required to run them. My conclusion is: who the hell knows, but it'd probably be a lot easier to just put $1500 into Ether. It seems like mining is riskier without much potential extra reward.