I have a few machines to test it on if you like:
-Working Mac 512K (Can run System 1.1, 3.3, 4 & 5)
-Working Mac Plus (System 1.1, 3.3, 4, 5, 6, 7)
-Working SE (System 3.3 - 7.1)
-Two iMac G3s (400MHz & 600MHz) (System 9.1 + Tiger 10.4)
Let me know if you want any testing done on these...