It seems to me that if all six cast members cannot be talked into a ninth season, the network's next likely step would be to try to negotiate a spin-off series for one or more of the stars. Most spin-offs fail miserably, but there are exceptions, such as "Frasier." Of course, it would depend on which actor(s), if any, would be willing to do it.
Has anyone given any thought to possible spin-offs? I could easily see a show built around Ross as a teacher and single dad, and I suspect that David Schwimmer could carry such a show. (Of course there could always be guest appearances by some of the others.)
Another possibility is a show with Chandler and Monica raising a family, although it doesn't sound like a very appealing idea to me. (ANOTHER sitcom about young parents? Zzzz.) At least a show about a single dad would be a little refreshing.
It's hard to imagine a show built around Phoebe and/or Joey, because their characters (IMHO) aren't especially complex.
I also don't know about a Rachel spinoff, although if Marlo Thomas would co-star, a show about Rachel and her mother might be interesting.
What do people here think? I know a spin-off will probably sound horrifying to some, but think of it from the network's point of view -- they'd be crazy not to try it, if one or more of the actors were willing. And a starring role might be more appealing to one of the actors than a ninth season as part of an ensemble of six.
Dave