I find RPG stories go better when many people contribute to the idea pool, discuss what they think should happen next, and coordinate plot ideas with each other.
Postlude to Holocaust
is certainly plot-heavy enough for this...and discussion might benefit other RPGs as well...
Private messaging can get tedious and I know alot of you don't like instant messenger. What do you think about making discussion/planning threads?
(Remember, for secrets, there's still PMs