Tokyo in March

I'm a 26 year old workaholic from California who will be getting lost in Tokyo from March 18-24. If anybody is going to be there during that time and is the least bit interested in roaming the city, please drop me a line at patrick_47906@yahoo.com. I havn't quite detailed an itenerary yet, so I'm open to anything. My Japanese is a little rusty, but I think I can get by. Or at least I'd like to think so!