Going through school in the 1990s I've used many a Mac.
Apple IIe
Mac Plus
Mac Classic
Mac Classic II
LC II
LC III
LC 580
Power Macintosh 5200 LC
Power Macintosh G3 All-In-One
iMac G3
I've used OS 6, 7.1, 7.5, 7.5.3, 7.5.5, 7.6, and 8.1.
7.5.5 and 8 were my favorites. 7.1 was ok, but I hated...