Personally I like the fixed header. The forum buttons in the header actually aren't redundant. The ones in the forum pertain to the forum you're in. The ones in the header pertain to the entire community. To start a thread in different forum now you can do so with the option in the header.

3-D Arena | Instagram | Facebook

I do not feel obliged to believe that the same God who has endowed us with sense, reason, and intellect has intended us to forgo their use.
-Galileo