Level 120...level 150...level 200. WoW has many years of life in it.
Way too much legacy content now, especially for alts. As it stands, you barely need to do 1-2 zones per expansion to get to the next 10 level bracket, thanks to XP boosts + heirlooms + rested bonus.
What if the next ilvl squish were to be a LEVEL squish for characters.
Thinking something like this:
Vanilla WoW: Levels 1-20
TBC, Wrath: Levels 20-25
Cata, Mop: Levels 25-30
WoD: Level 30-35
Legion: Level 35-40
BFA: Level 40-50
Next expansion; Level 50-60.
The other option, is to allow characters to level from 1-40 in any zone they chose once they get out of the starting zones for their faction/race/class.
Want to roll a Forsaken rogue? Get out of Tirisfal Glades around level 5, and go to any expansion you want. Like Mists of Pandaria? Land in Jade Forest and level from 5->40.
TBC content is very old at this point, and Wrath is getting long in the tooth. I'm not a fan of zone replacement like Cata did to vanilla -- for nostalgia purposes its always nice to have the option to go back. But for next characters, giving them the option on where to go to get to the level cap seems the most expedient option.
Thoughts?