Rated 5 out of 5 stars

Not sure what all the people complaining on 0.4.8 are talking about. There's no problem dragging the MeasureIt icon to Add-on Bar which is now replacement to former Status Bar. Like the add-on, but do agree that some configurability could help (like said crosshair color -> or it could perhaps be drawn special way so it's be always visible - like XORed etc).

This review is for a previous version of the add-on (0.4.8.1-signed). 

Rated 5 out of 5 stars

MeasureIt *works* with FF, incl. 3.5.6 (and latest as of today, 3.5.7) w/o any problems.

Please keep in mind that if you use NoScript it will NOT work for the page NoScript blocked JS on. You have to enable JS (even temporary) for that page to make MeasureIt work. Would be handy if MeasureIt could check that by itself and warn user if this is the case.

This review is for a previous version of the add-on (0.3.9).