A cute article that was published on MMO.

For most of us this is all obvious but it does remind us the things that Wrath raiding made us all forget or neglect.

http://www.mmo-champion.com/threads/795945-What-Wrath-players-need-to-know-to-not-suck-at-Cata!

I totally love this guy!!
1.) Be mindful of your positioning. Do these mobs have a knockback? Will you get thrown into other mobs? Is the tank facing the mob away from the group in case it has a conal or cleave? When trying to dodge that fire on the ground, are you running towards another group of mobs? These are things that you will need to be more mindful of in Cata. Extra pulls can and likely will mean wipes, and any damage that can be avoided will make your healer’s life that much easier, and make their mana last that much longer.

------> 1.a) If you do get aggro, run the offending mob TO your tank, not AWAY from him. Root or snare the mob that is aggroed on to you, and then move TO your tank so that the mob will run closer to them as well. This makes it much easier for your tank to peel the mob off of you, and will get you back into safety quicker.
3.) Be patient! Let your healer drink, let your tank mark and set up their pull, and let someone explain the fight if necessary. Remember, this content will be NEW to nearly everyone from 80-85. It is more difficult that WotLK content, and we will not be in top-end gear. We will be in leveling blues and greens. These fights will take preparation, caution, and learning. Once you know a dungeon by heart, remember that everyone starts somewhere, and that there was a point where you didn’t know the fight. Have patience with the others in your group, and help them learn.
6.) Follow marks and kill orders! Focusing fire will be very important in Cata. We won’t be able to just AoE down every pull anymore. Usually, Skull will be first and X will be second. Crowd Control targets may also be marked. As a general rule, HEALER type mobs die first, followed by damaging casters, then melee.

I remember TBC It was like, everyone was saying: let the tank mark and follow orders! Lets explain tacts!
And in WoTLK it was like: Hurry up you noob I don't have the whole day! ^^
Nice that you have posted this Verill!

I really, really hated the fact that most PuGs made no attempt to work together or pay attention to each other in Wrath.

I'm not sure if the new changes will work, but I'm hoping that they'll at least move some way back towards making instances something that people do to play the game, and not just grind for the next raid.