Interesting thing about this technology is that the key ingredients are nickel, hydrogen and some secret catalyst. Cheap materials, apparently.
'series', There was a Thread about a month ago on that. It was a paper published in Nature Magazine (iirc). And you're correct, they were all 'cheap materials', all commonly found in nature.
And if they can come up with an operational Cold Fusion Reactor, it'll be the biggest thing since the invention of the wheel, or man 'taming' fire.