i have been reading for the last 2 hours on block eruptors they are pretty much worthless now as well unless you have stacks of the bitfurys you wont get anywhere looks like its only gonna be profitable for the super rich to even get in on the mining game now to be efficient you need to be into the th range and that will only last a good 8 months tops until these mega powerhouses are only pulling in a blocks worth a week.