Firefox 4.0 for Linux finally got a new interface

(clickable)

Not exactly the same as it was done in the vents, but already pretty coolly. How to set yourself this miracle?
So far, this interface is only available in nightie, you can either install via PPA

sudo add-apt-repository ppa: ubuntu-mozilla-daily / ppa
sudo apt-get update
sudo apt-get install firefox-4.0
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or just download this build from here .

Another screen