Hi...so i'm the first to post in this topic
Well first of all my favorite addon is Cartographer
http://wow.curse.com/downloads/details/4947/, this is a map addon, you can see all the map, coordinates, flight paths, instances, boss drops ets.
I think this is the most usefull addon...the rest are just for confort
The other addons that i use
- MobInfo2
Link shows the aproximate healt of the mobs
- SW Stats
Damage Meterabout thats all...hope you like it
PS. sorry for my englich