I wouldn't mind it. Probably wouldn't participate that much, but sometimes there are events (NBA playoffs, etc) that a chat may be a better medium to discuss.
Plus, it would probably be a good place to get an answer to that quick question you may have that doesn't necessarily need it's own thread.
Dave, I like the green separation banner separating stickies from new threads. Those two always blended and this is more eye-appealing. Especially since some thread summaries had stickies and others didn't