According to whattomine LUX,

ccminer 1 gtx 1080ti 31MH is $9.40 / day.
ccminer spmod 1 gtx 1080ti 40MH is 12.00/day.

Unless you're a big farm, I'd say no point for shelling out 0.05BTC...
But a clandestine leaked spmod would be mighty fine for home miners.