Dear MB,
actually there's no "real pro" solution for importing bulk data / many languages / also relations... The solutions you propose event if they do this, they lack of other advanced features as for example WPAI has, sorry... Believe me.
With the new updates of your competitors, if you don't find quickly a proper solution for PRO importing / user friendly but advanced, it might get difficult for you. The real Top solution would be your team developping a PRO-level add-on to import everythin, with all advancend features as WPAI. Then you could get a huge market, proposing a complete solution...
Without this kind of tool, I really don't think the future looks very good.
I love your plugin, but sadly can't use it so much because of this. Hopefully this helps!
