All those addons except Nice damage is downloadable from curse.com

Questhelper

Scrolling combat text

Atlas loot enhanced

Auctioneer

Bartender 4

Gatherer

Gearscore

Nice damage (makes my dmg look different, check out my videos) DL link: http://www.wowinterface.com/downloads/info9732-NiceDamagefont.html

OneBag3

Postal

DBM

ShockAndAwe - shaman addon, combined with SCT it shows "total WF dmg"

Quartz

Pitbull