Until Milch finishes his script and a Deadwood movie begins to materialize, fans can only speculate on how the story might wrap up.
The fact that Milch actually still is working on a Deadwood movie script is a positive sign.
No matter what Milch devises for his Deadwood wrap-up, you know one thing: there will be a ton of incredibly eloquent swearing.
Somewhere down the road perhaps we will get a chance to revisit the world of Deadwood and its many fascinating, complex, sometimes-not-very-nice characters.