I like that idea. It would definitely reduce the number of forums and make sure people are in the right place. That's how things are organized on the mothership's forums however they do not have a place to pick your version and it's rare that people state it in their post.
My two cents based on how I look for topics I am interested in and want to answer in my news reader...
I kind of like knowing the product version the post is for when reading the summaries and before popping over to the site. Would you still offer separate RSS feeds by Forum and Version?
There are no special teachers of virtue, because virtue is taught by the whole community. --Plato