After you reach Prestige Rank 2 you'll be honored by Sylvanas with the first PvP Skin for your Artifact Weapon, full (?) Horde Leadership seems to be present as well.
http://imgur.com/a/8X6wl
Considering that some people might have issues reading all names, here's a list from left to right.
Gorfax Angerfang, apparently now the leader of the Dragonmaw Orcs loyal to the Horde. http://wow.gamepedia.com/Gorfax_Angerfang
Rokhan
Saurfang
Rexxar & Misha
Bloodelf Triumvirate
Thrall
Nazgrel
Black Bride (Probably Leader of the Defilers)
Nathanos Blightcaller
Gallywix
Gargok (Leader of the Warsong Outriders)
Baine
Drek'thar
Ji Firepaw