I love it, even on big screens Rated 5 out of 5 stars
I really love the add on, combined with a compact theme its perfect to get as much of the screen for surfing as possible (without the need of going fullscreen)
Broken in Firefox 12 + 13, an update would be lovely.
Fx 12a+ has a bug that I've already reported
.. and I hope to be fixed soon. See description above for details & plans.