It's a real treat to read a thread such as this without the ann type of flamefest developing.
About the "AmigaOne" hardware - I think it might be reasonable to say that Eyetech, having paid for a hardware design and rights to use the chipset, and faced with a long wait before AOS4 would be available, decided to release the PPC boards under the name "AmigaOne" in order to get some recompense for their efforts. After all, there are plenty of people out there who would like a PPC board to run Linux, and it also made more machines available for developers to get their hands on.
So Linux is the only publicly released OS for it at the moment. No matter, those who like to fiddle have new hardware to play with. Those who are fortunate enough to be AOS4 developers have the real hardware as well. And Eyetech are gradually forming a market for these PPC boards amongst the Linux community.
tony