which should i go for on my warlock (goblin race)
I don't think it really matters anymore, but as a goblin I'm sure you like to Blow Crap Up!
Gnomish has some fun items like those xray specs
Goblin is as of tbc useless.
I'm a goblin and I'm a Gnomish engineer, basically because they get more fun stuff, goblin engineers is just afew more explosives that barely gets used. I'd say go for Gnomish, next patch they are fixing the Anti Gravity Well!