"I asked why not with a lens mount? Answer: We want see how this one sells first. I asked: but you know that if this version does not sell it may be because it has no mount? Answer: no, is it so...? I asked if its cheaper than Leica X1. Answer was hesitant. Eventually they gave me "1000" as a ballpark number"
More X100 pictures available here and here plus another video:
"Yes we are not developing more Four Thirds optics. We have a catalog of digital optical largest market and we cover almost all of what we considered at the time. Our engineers are focused on making a set of objectives Micro Four Thirds as good as what is now the Four Thirds."
