I always wished that XPostFacto, the tool for installing early versions of Mac OS X on unsupported Macs, supported the Daystars.

https://eshop.macsales.com/OSXCenter/XPostFacto/Framework.cf...

Early versions ran on some 604E machines. I ran it on a 7600, which later got a G3 card.

A quad-processor 604E with 10.2 "Jagwyre" would have been cool AF.