Just wait. I found an even better one that will be up in... five minutes.
EDIT: We're having some difficulties, hang on.
EDIT 2:
I FOUND SOMETHING AWESOME.
Now we have a perfect chat, complete with a great interface, accounts, and MODERATORS!
Everyone, make your accounts! NAO! I'll add mods as soon as they've made accounts.
Note that you have to register your account after you've made it.