Just revisiting this, I have an overclocked 475 at 33Mhz, standard 575 at 33Mhz, and a Spicy 575. I also have the PPC 601 at 66Mhz and and I'd love to do a YouTube video with a shootout with tests of all three with graphics, floppy, serial, MIDI, and how far you can push the machines before...