Rated 3 out of 5 stars

3 Stars for 1.5.1.
I hope the setting in about:config is just a fast workaround (thx for that!).
It would be much better with a small interface for setting these options.
Thanks for the fast update!

This review is for a previous version of the add-on (1.5.1). 

QuickPageZoom optios...

Please feel free to try 1.6.0, still experimental, available at https://addons.mozilla.org/en-US/firefox/addons/versions/6715.