[arch-ports] [PPC] Possibilities to help

This summer I might invest in a piece of PowerPC hardware. After running Arch Linux on my Gamecube, I now want to perhaps take the next step and buy a more practical PowerPC computer (perhaps a used Mac Mini G4) with the sole purpose to try and help out with this port. Which brings me to my question, I'd like to have a bit of an idea of what still needs to be done/maintained with Arch Linux PPC. I'd like to have at least an idea of what might be needed before I invest my time and money into a piece of hardware. If all that's needed is bug fixing, I'll be much less likely to consider buying the hardware if that's the case.