When I picked up the Unearthed Arcana book for 3.0, the best thing I got out of that book was the Destiny Points. I don't like using them for all my campaigns, but they were great to introduce as "tokens" when the PCs co-operated with fate.
In a recent book purge (I was moving out of country, though that didn't quite work out) I got rid of all my old gaming books. As it stands, I don't have a single d20-family book that has a Destiny/Fate/Plot/Force point system in it.
Any suggestions on a good book to grab them from? And, more to the point, what have people found is one of the more balanced versions of these points. It's nice for the players to have something to give them an element of control in their games, and a great tool for a GM to influence play.
Does Pathfinder have this system published somewhere yet?