About This File
My leveling pack of Jan 18th 2015.
May 16 2017 Update:
Figured I'd update this. These are all the grinding profiles I used to go from 90-100 for Warlords of Draenor.
Personally, I suggest using the Pre-Garrison file for Horde, then go to Gorgrond Mistcreep Mire, and then to Spires of Arak Writhing Mire. The mobs that it grinds provide above average XP.
If your character can't handle the mobs there at the at the level in brackets, I'd say use one of the others. I usually only had a problem if I was under geared or extremely squishy class.
What's New in Version 2.0 See changelog
Re-uploading with some new files.