Im a 370 gnomish engineer i was told not to change to goblin less i wanted to re level engineering all over again. I have some random droped patterens learned such as field repare bot 110g, khorium scope, and a couple more. I was confused by the goblin/gnomish engineering i thought one was the other and visa-versa. I would really like to have the rocket launcher because that is one more stun my rogue can have, plus  the damage is nice.

And gnomish SUCKS!! End of story. Ya you get the goggles at 375 that completely sucks compared to the 350 engineering ones. And even more useless since the new patch 2.4 and the 350 onces get a nice upgrade which requires 375. And you get way better trinkets and armor than you can make with gnomish from raiding or pvping