MIT SPARC approach we did cover, it is certainly an interesting venue to be investigated, even if it fails to live up to the hype
The Real MIT Fusion Announcement
there has been some discussion in reddit about it
A somewhat critical look at the MIT announcement
byu/energyaware infusion
However Saphire is a different matter as I consider it non-scientific due to lack of scientific publications, evidence of fusion reactions and (pseudo)religious claims. While I would love to have more and active discussion, due to this reason this thread goes to the ZPM section.