A user is complaining that the menu won't allow him to click on any of the links. He says the menu disappears too quickly.
I can not confirm exactly what he is talking about because he is on the other side of the country. Also, if this issue is already known, feel free to notify me and delete the thread.
You can try removing 3D on the main menu for now, an extra border is created at the edge of the page, so even though you can see the links you can't activate them behind 3D.