Novella-length AU fiction. Sounds like just my thing.

[antennapedia]

au_bigbang exists. 15K words min, which, er, strikes me as a medium bang, but there you are, that's their definition, and yeah, I can hit that. FAQ here and stuff. Signups are open now. Hrm. I happened to notice that I haven't posted a ficpoll in ages. You know what this means...

Poll Alternate universe big bang poll-o-matic.