Required addons
Exorsus Raid Tools - helps coordinate specific encounters, such as assigning positions etc
Recommended addons
Raiding
Angry Boss Reminders - reminds you to swap in correct talents/glyphs for specific fights
Deadly Boss Mods - nuff said
ExtraCD - tracks ICDs and uptimes of procs, enchants etc
GTFO - lets you know when you´re standing in £%$
Premade Group Finder - get automatically invited to groups containing predefined keywords
TalentSwitch - automagically swaps spells on your actionbars when you switch talents
TellMeWhen - custom notifications for anything you may need
Combat logs