Quote Originally Posted by Vektrat View Post
You are from NA, maybe since you're closer to the datacenters you don't have this issue (this is a network latency issue after all), but EVERYBODY I've talked to has this problem (has always had it, betas, early access, now, at 5pm, at 5am...)
I'm located in WA state, fairly close to the NA/EU datacenters. I've been tanking in MMOs for a decade and, as such, I am painfully aware of mob response times, watching cast bars, and avoiding AoEs - and there is a consistent delay in every single action just as you state in your OP, and one that is independent of client hardware and connection.

The slower pace of combat and longer GCD help mask this issue for some, but all anyone who is skeptical really needs to do is go fight a bomb, wait for the AoE, then watch the interaction of the cast bar and damage to see when they have to step out to actually avoid the damage. It should be anytime before the cast ends, but in reality you need to be out almost a full second before it completes.