Not yet multi but considering how many characters

[Teepeetop]

I have alot of fun with my 2box spriests. They are kinda squishy in pvp and the dps cant compete with mages or locks but they are fun. The main reason I like 2boxing is the simplicity. I would like to level a class that is easier to master.
Anyone reading this post answer this question? I was thinking about leveling a dualbox shaman team but ive heard elemental isnt that great dps and enhancement is mostly melee. Is resto the reason people dual box shaman so much, What is the main advantage other than just utility. Ease of use?
Tzu Tzo bwl horde

Edit: Wait time for me x2 dps is about 15 min for an instance