@haywirepc
If you want x86 or ARM, you're free to use AROS. OS4 and MOS are just fine as they are on PowerPC, and nothing is going to change that for the present.
I personally dislike the fact that people here feel the need to go to the red or the blue and change them. AROS does what you want, just leave blue and red alone. In the case of Blue, we have a defined roadmap for the present and we arent going to change that. Red, they seem to be more than a little turbid in terms of where to go, but there are sales for them. So, AROS, either buy the needed hardware to run MOS or OS4 or you're free to use what you want on AROS.
Also, there is the Megahertz myth. All things considered, the megahertz have little to do with speed. I can watch 720p video on My G4 mac, it runs circles on computers owned by my computer consultant friend, including his brand new machine he built.