I play both. But I started on alliance because, no joke, Gnomes have an engineering bonus. If you want the story, read on, it´s kind of hilarious in retrospect. If not, we´re done here 
The person that got me into the game highly oversold Engineering, to the point where I was expecting Engineer to be almost it´s own class and thinking of the TInker Gnomes from Dragonlance… massive, insane contraptions changing the course of a battle made from all sorts of things that would make Rube Goldberg and MacGyver look like the’yre playing with duplo bricks…
So I buy the game, do the disc dance we all fondly remember, god knows how many hrs later I can create an account and log in…
Looking through the races, gnomes were the only ones with an engineering bonus, Ok, freaking perfect, take my money.
But, what class?? Well, can´t be a paladin like for so many years in D+D… Hmm… warrio? nah, to dumb… priest? Yeah, no screw that god stuff… Wait,intelligence bonus? That sounds like pure caster… Kinda always wanted to try a mage… Ah, F it, go for it, fireball makes things go boom, too… And this is kind of what has always been his core philosophy… If it explodes, buzzes, flies around randomly, or can electrocute you in the Bathtub, it was probably me. Especially if it explodes or can electrocute you in the bathtub 
And then I was sitting there in the char creation screen, had a reasonabley insane look… name, hmm… Somehow this one popped into my head, sounded ok, probably wasn´t a an insult in some unknown language, Yeah I’ll take it 
I was eventually disappointed by engineering, but firemage was absolutely always the right choice. And I do legit earn most of my gold with Fireworks, so, Look for for the Exploding Gnome on the box when planning your next holiday celebration in the Auction house, the rest are just expensive knockoffs 
