More Burning Crusade Details
Coilfang
This instance is the home of the nagas and Lady Vashj. It'll be located underground and the main theme will be the water. There will be platforms surrounded by water that announce epic battles which involve movement!
It will be composed of 5 wings, each one should be doable in one hour, two at a maximum. The monsters will evolve with the player levels. If the group is composed of level 62 players, the monsters will most likely be around 62. But if the group is 65 then the monsters will be stronger!
Arcane Doom
This instance, located in Terokhar Forest, is made of 4 Wings like Naxxramas. One will be filled with Demons, another with Draeneis, the other one with Corrupted Orcs, and we don't know about the last one. The instance will cover the level 60 to 70, one wing will be dedicated to the level 70 players. The main goal of this instance is to help the leveling, it will be like the Scarlet Monastery from the level 30 to 40.
Side note
With the expansion, each class will be rewarded with two more talents tiers (2 rows) per specialization.
The Burning Crusade will bring some new Battlegrounds and a Gladiator Arena. More to come on this later.
Blizzard hasn't begun development on any type of player housing.
Blizzard is working on a better character customization, which may be released with the expansion.
Blizzard said that the Burning Crusade will have shorter instances to keep groups entertained without having 40 players.