IF this happens, I reckon it might be a gated event like DKs. But in Shadowmoon Valley, training under Illidan and Varedis. I would assume 65 in this case but might very well be zone instance for lvl 1.
So far the only viable races seem to be night elves and blood elves, but since "the lore" states any race can become a demon hunter...well go figure.
Gonna throw in some ideas I'm getting via brainstorming on the issue:
Scenario:Lvl65 starter. Shadowmoon Valley gated. Races possible: Night elf, Draenei for Alliance and Blood Elf, Orc for Horde - these are the races one way or another tied to Illidan(discounting demons and naga)
Inclusion of Draenei and Orcs will have to be knaakified. Blizzard should get FoS for this.
No pure Draenei and Orcs in service of Illidan-new skins and race color variations incoming?
DHs traditionally wear very little armor-only cloth and leather-gonna make it hard to justify 4th leather or cloth using class, unless they implement agility cloth(mail still has only 2 classes, but mail DH? Weird.)
New class would bring total class count to 12-4 classes per each token. Sounds fair.
DH with similar concept to monk in class design. Maybe even one healer tree, similar to wow mistweaver or WAR Disciple of Khaine.
Went sort of off topic sorry about that.