Cliffhangers as in, unfinished stories, or ones that cry out for sequels?

I have to go with Long Strange Trip. That is a painfully good story. I know Leela's working on it, but she's got better intentions than results smile and I really really really wanna know what she's gonna do next.

PJ

"You told me you weren't like other men," she said, shaking her head at him when the storm of laughter had passed.
He grinned at her - a goofy, Clark Kent kind of a grin. "I have a gift for understatement."
"You can say that again," she told him.
"I have a...."
"Oh, shut up."

--Stardust, Caroline K