You can look on Slowtwitch: http://www.slowtwitch.com/
They have tons of bike reviews and also have an open forum where people will share ideas about equipment, racing and training. A lot of company reps and bike shop owners will post in the forum.
ACTIVE is the leader in online event registrations from 5k running races and marathons to softball leagues and local events. ACTIVE also makes it easy to learn and prepare for all the things you love to do with expert resources, training plans and fitness calculators.