After some days with my edge still not booting, Tech Support finally replied that this is an Ermine issue and, therefore, should be resolved in this forum (their disclaimer say there will be no support for the beta version of Ermine!)
I can give anyone 10K reasons on why that is just wrong but, instead, I'll just ask: has anyone found a way to completely erase the edge? It seems that somehow Ermine is not allowing me to boot Dingo from my usb so I'm not able to downgrade. Or does anyone know keyboard commands that allows me to change the boot settings? Is there such a thing in this OS?