Consolidating some of what I've seen in the news on i09 today, Dollhouse and Chuck will return next season, though both with slightly lower budgets, and Terminator: The Sarah Conner Chronicles has officially been terminated.
It's definitely bittersweet news. I really like Dollhouse and TSCC both, and it's tough for me to say which I would choose to live and which to die. In the end, I'm just happy at least one of them will be living on, even if it is getting hooked up to life-support.