You will love this one
http://www.instructables.com/id/How-to-Build-a-Bamboo-Bicycle/ Something to do on a rain day I guess
Some links to check out before you get started:
Brano's instructable on carbon and bamboo bike building
Craig Calfee's bamboo bike project
Calfee bamboo bikes
Bike Forest BikeCAD
The forum for info on bamboo and heat treating it