I asked earlier what people liked about QCN, and was a bit disappointed with the replies.
But here is one thing I like IIUC.
With QCN privacy is built in with the need for Masternodes (which I think both DRK and XC have).
This seems , to me, to be the biggest plus.
But we need more than just this to really make this a success.
Please correct me if I'm wrong.
The other thing is that compared to ,say, MRO this coin looks cheap and "fairer".
So we have an opportunity
IT IS cheaper and fairer (at least for the time being)

QCN is cheaper, a bit more fair to long-term miners, and rarer than all the other coins, but that will only matter should a "whale" or two be looking to make a long-term investment. However, should Poloniex decide to take QCN out of the exchange (which is looking like a possibility at this point), that will be the final nail in the coffin for QCN.
OracionSeis, should you want your coin to stand out from the other Bytecoin clones, then make it truly different (not just an altered emission curve). Feature which could make QCN stand out from the rest? POS.