I'm not sure what exactly you guys are working on but I wish you the best!
The main reason I opted out of bbcode for my modded fireboard site was that for non-veteran posters, the tags bbcode inserts into your post as you type can look really confusing. So what I did was I put a wysiwyg "front," with bbcode still running behind it so experienced users can still use the [code] tag among others.
If you can make the fireboard bbcode update the formatting of a post in realtime, I'd consider switching back.
Cheers,
Gom
[url=http://www.gossper.com]Gossper.com[/url]