Long story short: Myself and another player in my game are both playing force sensitives. He's leaning towards dark side and myself towards light - we decided it would be pretty cool if during a critical story moment he made one decision (that makes sense, but is clearly "evil") while I went the other way... the resulting duel would then determine the overall "leaning" of the party. Other party members would either involve themselves with one side or the other, or stay neutral.
This will probably happen at the end of a story arc in the ~500XP range (We do ~5xp per hour of actual play time - both characters have been involved in the party for the entirety. This is a way to reflect the culmination of a long, subtle, fall to the dark side.)
So! Does anyone have any suggestions for:
1) The situation and possible polar opposite decisions
2) Suitably cinematic duel locations.
The idea is to something evocative of the Annakin vs Obi Wan duel without just ripping it off exactly.