It has been driving a shit ton of people nuts trying to figure out what the issue is and it looks to be the packet loss issues mentioned above. It doesn't seem to be a priority to fix which has been very frustrating.
---------- Post added 2011-07-28 at 06:30 PM ----------
It's been incredibly frustrating for me. I've just migrated to a server where there are alliance to in wpvp and now that i'm getting this lag its ruined my fun.
So far ive posted about it on the forums on got nothing.