Crosspost from MBread threads.
ST Dreamcast, unless you have an arcade board. I have the correct dip switches for my DC st settings, and I can provide it. I can provide 2 DC converters.
Ports breakdown:
DC:able to move a second early before "Start" finishes, other than pretty much perfect.
PS2: pile of shit, 4 frame input lag
PS1: Not bad, but god awful load times, Guile has CPS1 chains again, there's some hitbox changes with a lot of chars, notably Sim iirc.
SF2AE: NOT ST, even when using only st chars.
STHD: NOT even close to original ST when using classic.