The lag issues seem to be weirdly random, and may not always have to do with a particular ISP. I play on the same network as another person who is also playing FFXIV on the same server, usually in the SAME instances together. Sometimes, I have no lag but he has huge lag spikes. Other times, I have a bunch of lag spikes but he has no issue. (We are using a new router and modem, and experience no issues in any other game we play... so FFXIV is definitely the cause, or catalyst.) And then there is the occasional 90k with 'no warning' whatsoever... extremely frustrating. The day after 2.1 was released, people kept getting DCed from my Garuda (extreme) party left and right. The running joke was that Garuda's hardest hitting move was her ability to DC people...