lots of iMac (G3,4, and 5) sitting in peoples' back shelves or closets just begging to be put to use again!
Aren't the G3 and G4 PowerMacs to slow to run MorphOS or just UAE?
or most G4's and then you would have to be careful what you got because of motherboard changes and upgrade ability (with the exception of some pricey processor upgrades)
And then the other question will MorphOS eventually make the move to intel as Apple has done?