I think many people gets confused with the word "Pegasos". We will see what a "Pegasos3" is when it gets here.

As for the MPC8641(D); this one is very interesting IMHO, but it is not even available to b-plan in test samples yet. Hopefully some new hardware will be developed around it when it gets here. At least from a MorphOS perspective, this makes more sense than a quad G5 system.

As for the mini-macs, the biggest point with those machines is the MacOS. Hardware wise it is inferiour to the Pegasos2 IMO, but it is the lowest cost way of getting a MacOS system.