Rated 4 out of 5 stars

As Vicky82 has mentioned some quirks where scrollbars are needlessly displayed at the top and right of the page which is a little annoying. Also the options pane sites filter "Enabled" column doesn't appear to work (no little green blob indicators to show enabled or otherwise).
Seems to work fine though and when the scrollbars thing is sorted will be pretty much as good as the old IETAB

This review is for a previous version of the add-on (2.3.9.1).