I'll echo this consideration. This is an insular forum, to the point where most of our regular posters have been here for 15-20 years. On the one hand, that's great for loyalty/commitment/content, but, on the other hand, you need eyes on the product. You're not jumping into a situation with thousands of active unique users, and that means you are going to need to attract new people to the forum. You will need to make hard decisions in order to do that, and I can guarantee that at least some of those decisions will anger your existing user base. It's awesome that you did this with another website, but I think sharing your plan/vision for the site beyond general statements will go a long way here.