Or, even WORSE...bring a gram scale into the LBS and weigh every one in stock before making any future purchases. Be prepared to tip and/or pay restocking fees.
I am a weight weenie too...but is more concerned about making the ENGINE leaner and meaner before I reward myself with a bike at TdF weights.
2009 Cannondale CAAD 9.7 - 16.8lbs of road rocketry...and dropping!