Oh my goodness, 1000 private messages!? Seems a bit much xD
Also, I can't see the "donator-only" board being any different than the normal boards at this point in time. If anything it seems like it would be a waste of space. I'm drawing comparisons from F2P MMO's with "Member only channels" and those were hardly ever used.
An effective way to filter out serious name change requests with silly ones. That's good.
The custom usertitles seem to be the most hated thing taken away though. Perhaps having X amount of posts would allow you to use a custom usertitle instead?