I loved 'lane change', it was introduced with FirePower, it made raising the end of ball bonus multiplier so much easier and was great for raising the royal flush jackpot on Alien Poker which could seriously boost your score.
+1 to Lane Change .
"Shoot again' feature 1st introduced on Gottllieb's Thoro Bred in 1965 (my current project game) , far as I am aware.