Their work has percolated along for about two years (that I've been aware of, probably more time before that) and finally there will be a conference where they will tell the world what they've been up to. As luck would have it, I have a schedule conflict and will be unable to attend, but there will be a CDROM of the presentations and I hope to ask around and see if I can get a copy.
I have high hopes for the work these people have done. This is a well-organized effort by a lot of very smart people with a wide range of relevant expertise.
The Center for Responsible Nanotechnology website discusses the societal risk of multiple competing nanotechnology development efforts:
The existence of multiple programs to develop molecular manufacturing greatly increases some of the risks listed above. Each program provides a separate opportunity for the technology to be stolen or otherwise released from restriction. Each nation with an independent program is potentially a separate player in a nanotech arms race. The reduced opportunity for control may make restrictions harder to enforce, but this may lead to greater efforts to impose harsher restrictions. Reduced control also makes it less likely that a non-disruptive economic solution can develop.A unified effort like the Technology Roadmap initiative represents a safeguard against these very realistic concerns.