If the new ETH pow coin become useful for some reason then it can take the lead, it looks like miners are more interested in this over Ethereum Classic, since few days now ETC difficulty is reducing and ETHPow difficulty is increasing, I am not saying this is how things will play out I could be wrong but we will have an answer in coming months.
If things go that way is the perfect solution for everybody,for miners first who will have another coin at which they to point their hash rate and devices to and this will then dramatically reduce the ETC difficulty and people who would not mind making like 1-2 dollars less per day will still be able to mine ETC profitably.
If some new PoW coin takes the lead then it is only a good thing for this bear market we are already in,most likely EthW is the most promising coin right now but who knows what new coins pops up in such difficult times.