optional 2mb fast ram socketed on board, allow added ram to be configured as chip ram, 68030@28, fpu socket on board, RTC, proper chunky modes, proper 24-bit output with flicker-fixer/scan-doubler (even if only as an optional add-on to reduce the cost of the basic model), faster/more capable AGA chipset, 16-bit Paula, PIO-5 capable IDE controller, high density floppy, 32bit pcmcia slot, vga out or -at least- an adapter for RGB->VGA, clock port at least twice as fast to be a proper expansion option, workbench with virtual mem and memory protection (since 68030 has a full MMU) even if it killed much compatibility, 12 Fkeys, pgup-pgdown keys, full parallel port.
