[50something]

This is another Ric Fulop company, notoriously the founder of A123 Systems [1]. That company also raised "a ton" of money but ultimately blew up, filing for bankruptcy. I'm skeptical of this new endeavor because of both economics and technology.

[1] https://en.wikipedia.org/wiki/A123_Systems

[fudged71]

Another huge concern is the fact that they are trying to push to market two completely separate 3D printing process technologies, and are valued at over a billion dollars before shipping a product. A few of their claims and marketing materials are too hyped and there's a lot of skepticism about their actual technology benefits. Limitless hype has been an ongoing problem in the 3D printing field, and they seem to be capitalizing on it.