Would love to see some videos.
I was really interested in the concept (we're building a drag n drop component library / basic prototyping tool internally), so I had a brief play. Looks great, but the process is not very intuitive. Also, it simply refused to set up a new project which is a bit of a killer!
I'll keep an eye on how it develops though.
I found it a bit of a struggle to get going and it's pretty bare bones at the moment. Still, I really like the exploration of new design tools, trying new ways of working and creating interfaces. I hope this team keeps developing this product!