Joss Whedon spoke to a group of reporters last night at a Paley Festival presentation regarding his thoughts on Dollhouse's fate. Some quotes:
"[The chances are] not very good but in limbo. Obviously our numbers are pretty soft, and there it is, but we live in hope. I'm really proud of the episodes that are coming out. More than that, I can't really ask."
He also elaborated even more on that whole 13th episode fiasco. From SciFiWire:
"The decision had to do with the studio saying, 'We need another episode for our package, and we can't afford one,'" Whedon said. "'Can you do a clip show? Can we show the unaired pilot?' I'm like, 'No, you can't. It wouldn't make any sense. Besides, we cannibalized it for parts. Most of it's in other episodes.' And they were like, 'Well, we really have to have 13 for foreign.' And I said, 'I'll tell you what. I'll shoot a post-apocalyptic thriller that's all on our sets in six days with a cast of four other people, then we'll pepper it with different bits from our regular cast, and we can do it all during the schedule. It'll cost you half. I can do this.' And I was so in love with the idea that I just came up with off the top of my head, and that's what it turned into. It's one of the best episodes we've ever made."
The 13th episode is titled "Epitaph One" and will be included in Dollhouse's DVD release.