Rated 5 out of 5 stars

Great addon and very useful!
Hope there will be an update soon for FF6?

This review is for a previous version of the add-on (1.4). 

this is already W.I.P.

Yes it is in the making, will be released very soon - you can grab a compatible Pre-Release of QuickPasswords 1.5 here:

http://downloads.mozdev.org/quickpasswords/