Wings, wings, wings...
-No. Just no. Even as a decor on your char; no (my eyes were dilated, so 'scuse my spelling).
The MODELS were supposed to be realistic (or at least the anatomy), not the game itself. You guys are lucky to even customize your char to different variations in terms of colors. It's already have been decided, so why keep bringing it up if it will still have the same response, no matter how reasonable it may seem.
Also, the forums are FLOODED with this type of idea, all with the same response of...NO. No offense, I respect your opinions and all but I like a challenge of climbing and jumping around a few areas, other than a player hovering around the map like a scavenger or hawk. Even walking around with unusable wings, there will be some that say, "I want wings too! I wanna fly!", "-but these wings don't-" and few seconds later, rants about wings and flying.
-to make this short, no wings. A saying goes, "Out of sight, out of mind."
*end*