Nah, If you have a 20% faster miner than everybody else, you build a BIG farm and ROI a 750ti-980ti card every day
And then you wait for the competition to wake up...
I think it would be good money to make a etherum miner for the 750ti. Such a coin. Such a profit.
You have $200k for such a endeavor? Something to consider is you're actually crowd funding your 'investment' in a farm when you distribute it to everyone. You're essentially taking a piece of everyones farm, which is impossible to build on your own and you don't have ROI costs. Nor do you lose money when your enhancements go to waste, for instance, 20% faster L2V2 still isn't making more then Quark right now.
Not worth the risk.
I have a few rigs, and I keep buying some more slowly. With the low BTC price and high energy costs it's not worth it. But If I break even I still have alot of nice hardware to play with.
In order to make a living of making mining software you need to be able to optimize every algo 10-20% and do it before anybody else. Wolf0 is the only one I know who can do that.
Agree, Ethminer is still very lucrative although it looks like Nvidia hardware hit the memory controller limitation and can't go anywhere else, much like Cryptonote.
I would definitely argue you're talking about two completely different jobs. Mining is independent of developing miners, unless you have a company that encompasses both. You're splitting your firepower between the two. You could sell/lease the 10-20% lead for a piece of someone elses pie. I don't think you'll ever hit anywhere close to what the big miners are really doing, let alone when the majority of people use your software.
Taking 2% of everyone elses pie is worth more then trying to take 20% more with a fraction of the hashing power. For instance, 2% of 8GH is 160MH/s... And that's just the biggest miner, not everyone else. In order to make a bigger advantage then 2% of that one miner you would need a farm equivalent of 800MH/s or greater, but we aren't just talking about one miner here. Nicehash has 40Gh/s on Quark right now and that isn't all Quark miners everywhere.