If MorphOS for MacMini is almost done / fairly easy but a little time consuming, then by all means please finish the port.

As for a bounty for porting to iBook G4 etc then, please, NO. Let's put efforts towards current or new hardware, not discontinued or hard to get hold of hardware.

I don't think Sony are going to open up the PS3. Have you seen the situation with the PSP ? If it wasn't for the firmware hackers, official firmware would be at version 1.0. And you have to make a special battery to install the custom firmware but people are willing to do it!

While we are talking about future hardware, PPC is effectively dead, there is not going to be a G6, the only processors that might be available will be SoC aimed at embedded systems. Time to think about a new CPU target.