What youtube video ? So long time ago
From what I read no other ideas are pursued except Vampire FPGA
that is now with Apollo core.Igor might have trouble getting original
FPGAs where he (and I) is because we fall into East-Europe regions
Z category and local dealers often order cheapest things they can.
Igor seems to take his own order of doing things which proved good
so far.What will happen when Vampires become competition for all
other is yet to be seen.Problem I see is that only few people can
build them as individuals and no company seems that interested.
Probably because it's end-all-close-the-shop solution.