I'm curious about play SF1 as I vaguely remember playing this in the arcades as a boy. Are the other versions after 2 worth picking up for some casual play? I also read that you can save your game at any point which piques my interest - never did see all the different endings for all the characters in SF2 and being able to save the game might allow me to do that. Can only remember seeing the endings for Ryu, Ken, E Honda and Blanka...