I'll make it become not unanimous, I say no. I used to be a fan of shout boxes... they used to be fun. Now I think they just cause clutter to the forum for the most part. I'm more for having a chat in a separate link, but all the ones that are 'decent' in my opinion, cost money.
I like shout boxes that are in a little side box that are barely visible on the forum. I don't know if those would fit here or not. Otherwise, no, I think it's good as just a forum. I know 98% of people will disagree with me.