I think a chatbox is a distinctly bad idea, due to the above hassles Inyri pointed out, with regard to maintaining them. The mods aren't paid to do their job, and I think they get quite enough stick as is, without the ease with which abuse can be sent in a chatbox.
"Love is the only reality and it is not a mere sentiment. It is the ultimate truth that lies at the heart of creation." - Rabindranath Tagore
"Many a doctrine is like a window pane. We see truth through it but it divides us from truth." - Kahlil Gibran