just found this article which offers some more info about this (only they are generating 8 entangled photons): technologyreview.com/blog/arxiv/26837/?ref=rss

Thanks for the exhaustive answer ... and your unsolicited opinions ;)

yeah, that's why I like his theories ;)

I think the guy wrote a shedload of papers on it - from reading the book I think it is quite precise (he's got a loads of references to actual papers in the book) and makes a number of quite narrow predictions (such as the one the wikipedia article mentions about size of pulsars).