World of Warcraft Crusaders' Coliseum/Isle of Conquest Q&A

Blizzard has taken it upon themselves to quiz the World of Warcraft development team about the Crusaders' Coliseum and Isle of Conquest battlegrounds coming in the game's v3.2 patch.
Q: Are there any particular ways in which the Coliseum encounters will be new and unique compared to previous encounters?

Development Team: Well, given that the tribute run system and new ways of executing normal and Heroic difficulty settings have been added, we expect players will see a very different dynamic in the encounters. The tribute system provides for the first time in raiding a way of awarding players, not simply based on what bosses were killed, but how well the raid performed attempting each boss.

We don't want to go too much into fight mechanics, but we expect players will see quite a few interesting new challenges. To give one example for those familiar with Magister's Terrace back in The Burning Crusade, there will be an encounter similar to the Priestess Delrissa fight. This time it will be on a raid scale with many more foes against which players will square off. Oh, and crowd-control effects will be subject to diminishing returns as well, so you'll just have to manage your abilities wisely!