This anniversary event is the best I ever attend in AoC (I missed the first two, though). It's actually pretty awesome to see people communicate, gather and happily slay boss in the joy (and in the lag).
Plus, reward can be pretty good for gearing up a bit the alts/reroll, or fresh 80, even I personally didn't have many luck... yet.
I said thanks, it's kinda awesome so far.
Edit : Quick question though. Event is supposed to last 5 day. But when will it close exactly ? Right after monday, like at midnight/Thursday 00:01 AM ? I ask because I play with on Crom EU with a slightly different timezone here. (-6 same as the few US, Canadian and Brazilian playing on Crom I think). It would make me sad panda if I'm too late to see the last boss, coming back from work tomorrow. However, if it's midnight "server time", then it's quite cool.