I haven't gotten involved with any crowdfunding before, but I had a quick
look at Kickstarter. It looks like the way it works is people pledge a
certain amount of money, but no money is charged unless the target is met.
So, it seems like there isn't anything lose by giving it a try ..
I took a look at the EOMA68 (that looks very cool as well, btw). That's a
laptop using a dual-core ARM Cortex 1.2 GHz chip, which looks similar to what
is used in the Raspberry Pi. The Raptor board would be for a desktop and the
Power9 CPU is more recent, so I expect it would be quite a bit more powerful
(especially if it has more cores). In terms of freedom, they both seem to be
endorsed by the FSF, so they are both free.