Here is the trailer for the upcoming Firefly MMO that was announced yesterday at San Diego Comic-Con:
My guess is the only people who will play this are all us sad Browncoats who still cling to the memory of Joss Whedon's doomed series. There are a ton of crap MMOs out there, so odds aren't in its favor. And in fact, as noted here, the game sounds more like a Farmville app than an MMO. But we'll see... if you're interested you can sign up at KeepFlying.com.