Why would somebody donate 50 BTC? That is worth nearly 400,000$! 
Here we go again...
https://bitcointalk.org/index.php?topic=38071.420
Read that whole topic And report back by closing this topic. The donator And VIP status originates from way back bitcoin was worth Next to nothing.
Why not reduce the price?
Wont happen Because its unfair to the people already donated + the forum generates enough money to not rely on donators anymore.