My JP is still set at factory defaults, so take that into consideration. ;-)
My general strategy is to start multiball, collect the jackpot, then use the smart missile to start CHAOS multiball.
I've collected super jackpots on a few occassions, but generally it's when I'm down to two or three balls left.
I cracked a billion points twice (tops was 1.3B) before I swapped out the ROMS on my machine from the German ones to English. Since the swap, my high is 753M.
System Failure is great - I've made it a number of times and it's still a total rush when it happens.
Great game. I sort of consider it much like a "poor man's Addams Family". The playfield layout is remarkably similar and they're both mode-based. Addams has a few more "toys" and, IMO, one of the all-time greatest starts to multiball EVER.