Silicon Fruit had announced that AMIGA OS will be able to run on top of its RIORED motherboard. The motherboard got 2 slot1 CPU slot for IBM PowerPC G3cx / 550 MHz, IBM CPC 710 chipset, PCI (66 / 33 MHz), AGP, USB. The future version will use 700 MHz CPU.
"Virtually any operating system can be used on this hardware platform (QNX, FreeBSD, NetBSD, BeOS, or even AmigaOS and MinT)."
http://www.czuba-tech.com/RIORED/english/overview.htm