I personally think talk about nanotech is possibly one of the biggest R&D scams to come along that I've ever seen. The concept is pure sci-fi. Look at the problems Intel & AMD have with building things as comparatively huge and primitive as their x86 cpus at .09 microns. Nanotech, as popularly conceived, is infinitely smaller and infinitely more complex than current SOA cpus.
I don't care how many "cool looking" plastic models some guy can create to demonstrate his current "nanotech" theory, all it is is a sump for R&D investment money. People seem to want to believe anything these days, and so I have little doubt it will attract large sums of capital from greedy, brainless people who don't understand enough about the theory behind it to understand why nothing in present technology even approaches nanotechnical capability. Here's the thing: I can conceive of a faster-than-light intergalactic spacecraft, too, and I could build a dandy plastic model of one without any problem. But actually building something congruent with my imagination is about as likely as me developing super powers next week...;)
Look for the sucker draw to begin in earnest. If I was contemplating nanotech investment I would only do so with a money-back guarantee, as I think submarines with screen doors are much more likely to come about.
It is well known that I cannot err--and so, if you should happen across an error in anything I have written you can be absolutely sure that *I* did not write it!...;)