The length of time it takes the BBC to do anything online is legendary (still waiting for that email, Pete!, and many people there have expressed frustration over the years, and a temptation to just set something up elsewhere so they can get on with it.
The Newsnight G8 blog looks official enough until you look at the URL, and realise that it's being hosted outside of the nest. Looks like the backstage JFDI ethos has taken hold.
It seems a little bizarre though. One of the BBC's flagship shows resorts to Typepad to get its work done.