Hi, if you're still planning your trip to tokyo, you can take a look at mine. I've managed to squeeze most of the popular destinations (Tsukiji market, Asakusa, Shinjuku, Meiji Shrine, Tokyo Tower, Shibuya, Nikko, etc...) in just 5 days (phew, it's not easy..)
The download link is
http://3dudesintokyo.com/itinerary.doc 