Addons!

KK well I'm going to go through a small list of addons that I can't live without:
For leveling and Gathering- carbonite
For Bags and Auctions- Auctioneer and Bagnon
For my UI- X-perl and Bartender
For spells and cooldowns-OmniCC &OmniCC shine
For Buffs-SmartBuff, PallyPower for my pally only
For Healing-Healbot
Pally Healing-Healbot & BOLT
Cleansing-Decursive
Dungeons and Raids-DBM
For not missing tells-WIM

And last but not least Get Addoncontrolpanel-ACP <makes it so you don't have to log out of the game to turn on/off addons :)