If you've got rotation enabled on your tablet, I know that there's a small feature that means you can drag the nav menu and things around, but that's the only thing I've seen to do it. Unfortunately haven't got any screen-shot tools installed at the moment so can't show you what it looks like.

I don't know if it would stick around after reboot either.

Just had a quick check, and the menu bars go back to normal upon reboot.