I've bagsied "pickwick" on Insane Journal in case we do have to migrate, because they've promised never to do anything like this. (Yes, I know LJ probably promised too.) Might also set up an account on journalfen, but it was down last night. I've backed up my journal with LJ Archive, because who knows what journals they'll randomly delete next?
Oh, if you're involved in fandom, though, you should go to

LJ Archive has some really nifty gizmos, like counting the number of times you use words (the non-common word I use most often is "stuff" by a mile - must cut down!); your comments ratio with each of your friends (must comment on other people's entries more often); and a couple of other things that sidetracked me for a while last night. And the links in your entries still work, which I was a bit worried about.
Other stuff (buggerit!): a great linguistics article about Lolcats etc, which is quite a good professional look at the phenomenon, and includes a sentence which starts "Conventionally, when one sits down to label a cat," which made me laugh out loud.
Big Brother is good, but I won't talk about it here, except to recommend Grace Dent's Big Brother Blog at the Radio Times, and the Digital Spy Big Brother forums, where you can argue with a whole bunch of imbeciles. And me.
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Also, LOLCode is seriously awesome.
I am more or less happy with the resolution, but ISTM that shutting down journals and restoring them is the wrong approach. They should have looked at the journals first to decide if there was a good reason to shut them down.