1. The Bicycle Thief - In the end, he still needs to find a way to get to work, and make it up to his son. How will he ever do this??
2. Do The Right Thing - Will Sal ever rebuild? Will the community ever rest? Find forgiveness and seek forgiveness?
3. Wild Strawberries (?) - I am trying to recall exactly what happens in the end, but as I recall and someone correct me if I'm wrong, he gets tucked into bed by his children, and it is the start to a repairing relationship.
4. The Celebration - The film ends with the father having his "last meal" with his children, but I had the feeling it wasn't over and there was possibility for restoration. After all it had only been the previous night all hell broke loose.
5. Once - The ending is very much so "what do we do now?" Their journies have ended/begun, and who knows what the future will hold?
I am watching Before Sunrise tonight, and I am very excited, and I know the ending already so it may top the list if it lives up to the hype.
I also liked Garden State's ending very much.
I will name the WORST what do we do ending. Cast Away. The ending couldn't have forced that ambiguous feeling down the audience's throat any harder.