Well I thought of few twists to this myself, but I have a few questions.
Why is it needed to register new domain for each "gossip"? Wouldn't it be easier to set up just one?
I also suppose, that it is needed to make a new FB fanpage for each new gossip?
With 1 fanpage + 1 domain for each gossip, it would be a lot faster, because it takes some time before you get your DNS change done + it takes some time to deliver FB fans. It can take 1 - 2 days and by then, the gossip might already be outdated.