More Firefox extension reviews by collaborators (with links)

Nuke anything anhanced - by Otto de Voogd
Firefox Addons Contest on Squidoo - by Otto de Voogd
Greasmonkey - by Otto de Voogd

FEBE (Firefox extension Backup Extension) - by Ken Saunders
MT Tech Local Install guide - by Ken Saunders

Extend - by Jackie Liu
(It hosts several reviews. Just 3 to start with: IE Tab, Add-Block plus, StumbleUpon)

CoLT- by ffextensionguru
Splash - by ffextensionguru

Woot watcher - by Ryan
Smart Bookmarks Bar - by Ryan
Google toolbar 3 - by Ryan

Scrap book - by ff1986

Just two extension reviews by Mozilla links:
Breadcumbs
All-in-Search

Add-to-Sidebar by Admiralfreak