"- Price is on study right now: It's quite difficult for me as I'm lacking solid comparison reference."

... also I like the idea behind the MoI3D pricing - each new version will cost more than the version before, the update price is the difference

I'm not sure it will be possible with Photosculpt too, since future versions will be get an enhanced core too. General I think, a first Version is not so matured and have a lot unknown limits, so a low price for a v1 is a good deal for developer and user most. ;)