Here is the link to download a program named wowmatrix
WoWmatrix
In my opinion this program will help us a lot
What does it do:
1) search and find all pages of addon on internet
2) let you download fast and easily install (automatic) addons from their homepage to your pc
3) and most important let you know when an updated version of any addon installed to your pc is out and lets u update it too
I recommend all of you to download it . it has pc and mac version if you Personal Computer or Macinosh(or however it is spelled
) either
r75456.5 is the one now,
changed in 17/6/08