On a 68000-based machine, System 6 is the way to go. 7 is just too pokey, even on those machines with the 16 MHz 68000 chip (Portable series, and PB100). I actually downgraded my previous SE from 7.1 to 6.0.8. Yes, 7.1 did run under 2.5MB of RAM, even though, on a 68000 machine, Apple...