SF alpha 2 for genesis would have SUCKED. The PSX sprites were so nicely drawn and animated.... the music was great., and the controls/screen effects were awesome
the sega version wold have just been every other street fighter, with different characters, lame specials and less than awesome music!
a sega cd version might have been ok, id imagine the graphics wouldnt have been as nicely colorful as the PSX/arcade..... but it would have been more acceptable I think