I would like to do a proof of concept to the members on one of my sites. Its not possible I don't think currently, but I am wondering, if with tweeking it would be? Consider 3 forums on 3 domains, a vB variant, and IPB variant and a XF variant - all going to one database. Members of the forum would be able to flick between each and see exactly the same info, presented in each variants style format. I'm thinking it would allow admins to catering for the members who prefer a particular style or feature set. Thoughts?