I have never started a board from scratch before. The one I admin was an offshoot of an older board that closed down. Some members wanted to keep the community going so three of us formed a loose committee and made decisions like purchasing Xenforo and choosing a host. So we had a built-in...
1. Allow users to change their names.
2. Allow users to change "New Member."
3. Having an option for putting Minecraft username in profile (would be linked using the CommunityBridge plugin).
4. Donation sidebar that looks sort of like this: https://gyazo.com/59f91dfff2357e1e4ac926ef617bb48b
Working with the campaign staff for Jim Webb, we have opened a forum to condense information from the per State Facebook pages.
This is still evolving so suggestions are welcomed.