I don't really understand why it has to be set up this way. It's going to be really annoying to see an indicator and a bunch of numbers bobbing along next to a mobs name. It's not that hard to just put the mobs level on the window that comes up when you target it. You don't even need the icon to display that it aggros either, just make the name of the mob red. What the hell is up with the green icon next to the non-aggresive mobs name? Is that really even necessary? I think we can figure out that a mob that doesn't have red next to it's name doesn't aggro. It's like you guys are programming this for 5 year olds.

All of the information about the mob does not need to be displayed next to it's name. There's a reason why every other MMO does it the way they do.