On the one hand, the possibility of instant feedback and help and discussion is tempting.
On the other hand, one of the things I like about the forums is that person X can answer a question for person Y, and I can come in six months later, do a search, and learn that same answer. Or I can lurk on current question threads and learn things I didn't even know I wanted to know -- possible in a chat, but dependent on being on at the time of the discussion.
A chat channel is great for active discussion but I feel it hampers some of the passive absorption of knowledge that is possible on the forums. And responses on the forum tend to be pretty quick, almost always within a day, which is usually fast enough for my practical purposes.
All of which is to say, I wish you luck, but it's not really my style. I hope I won't be missing out on too much.