Updated version of the original thread, some useful mods for raiding.  A threat meter and raid information mod is required for raiding.  Omen and BigWigs are preferred.

Threat Meter:

Omen: http://wow.curse.com/downloads/details/4204/

Raid Information:

BigWigs: http://wow.curse.com/downloads/details/3299/

Deadly Boss Mods: http://www.deadlybossmods.com/

CT Raid Assist: http://www.ctmod.net/downloads/

Grid: http://wow.curse.com/downloads/details/9503/