I agree, I don't know a great deal about this space, but Safex seems like a great project/community, and is no more vapourware than many projects out there (e.g. particl) - in fact development seems to be stepping up, but perhaps some bigger investor of safex can chime in here
There's likely to be space for many marketplaces with features unique to them, so perhaps we don't need to start a war, other than to say this certainly one to watch out for