Have to be careful in creating a donation aspect of 2 btc since it creates a mirror image of society in the 1% being those that donated. It would be a little off putting but I think the site should see more revenue coming in,so little torn on that.
The problem you face is there will for sure be competing forum that is going to be set up for those that are anti government and establishment. If there is not yet a place like this as the forum moves towards crossing out a few aspects that draw people here.