This is a much more powerful forum with all the customization and formatting and flexibility of a UBB-type forum. The "chat board" area has many more limitations.
I guess that really depends on what Terry is able to add or integrate into the chatboards. Considering the changes being made to a number of other parts of the site, I don't think some adjustments are out of the question.
So, if you must merge them (and I wish you wouldn't), but if you must merge them, I would prefer to have the authoring board here rather the chat board.
I'm of the opposite ilk. We have a number of authors who don't use the forums and I frequently have to tell new people that they need to create another account just to post the question they're looking to ask. We shouldn't have to make them do something like that just to give feedback or find a solution to their problems.
From my end, there's also an ease of use with the CBs.
I agree with Wes that the dual design is not ideal. But I'm of the 'less complicated is better' side. Things should be accessible for everyone. I think the forums are dated in and of themselves; most sites don't use this type of thing anymore.