The Montreal servers were 500x better than the California servers, I don't even believe they are new servers, they put the old servers on the back of a pickup and moved them to the worst place they possibly could, dropping them on the road a few times.
I keep dcing for no reason, all the people I play with dc or lag.
I have better ping on the euro data center than on my own, 130 vs 110.
If they wanted quality for everyone on NA they would have moved them to Chigaco, but they chose saving money over quality.