Lulzsec isn't doing anything for "justice" or any other higher call for morality. It's all for the lulz.

28 Days Later? Wasn't that a movie already?

I just installed the Openfire server using the Spark client within the last 30 days and it's working flawlessly. We've tried out a few other solutions over the last few years, but this is the one that everyone seems to love the most. So, this is what I'd recommend as well.