I was bored today and ran over to RFK on my level 24 hunter. I killed all the mobs outside the instance then managed to wall-jump my way up to the top of the little mountains on either side and jumped over. I made a vid and posted it on you-tube.
[yt]http://www.youtube.com/watch?v=trWrSxLanG0[/yt]
http://www.youtube.com/watch?v=trWrSxLanG0
Okay, the embed thing isnt working, so I posted a link direct link to it.