Putting everyone's skills aside, I think such a theme needs dull and boring colours. An old Anime Otaku is not really suited to bright vibrant colours. That's one of the reason's I chose fooligar for this week.
equinn, I couldn't easily read the text above and below your sig as it's in black on AO's dark gray background.
Sazuka, looks like I need to put on some 3D glasses to fully appreciate your sig. Nice one!