We use IRC all the time here at AAISP, both internally between staff teams and in helping our customers. Many customers have their own IRC client setup on their computer whilst others pop in to the IRC channel by using the web-based version we provide via our website.
To help improve the experience for customers using our web-based irc client we have a new one to try:
We'll be updating our links on the website to the new one next week, but feel free to try out the new client.