I've got a PvE composition that I could level too.

Usually use one team for one aspect of the game.
And another team for a different aspect.

Not sure I'd want to play an all healer spec, as the primary team.
But they would be a diversion, or something to do once in a while.
Plus a fair bit of time to gear them up.

Not happy with the Feral changes.
And am hoping something is reverted or more likely a defensive cooldown or two are added.
And play something in the mean time.
Boomkin was fun in the past, but not sure I want to do that now.
But a healer composition is the change of pace, and likely will be fun for a while and then periodically down the road.