Here's a list of weight weenie related websites:
Component Manufacturers
Forums
Galleries
Heinz - Wittmann "Scott Scale LTD"
News
IMB | Free Online Mountain Bike Magazine
Light-Bikes News for Weight Weenies
light-bikes.it - The Italian Light Bikes Portal
Parts Weight Listings
light-bikes.de pictures of parts on scale
Weight Weenies Starbike Listings
Technical
Tuning - Bolts
Jersey Cycles - ti and alu bolts