Can not get info on this bike, how much worth?

millerxcrunning Posts: 2
edited June 2008 in Road beginners
Wanting to get first road bike, bike shop is selling a used trek road bike in mint condition- has OCLV carbon fiber, 5000 series?, dura-ace rear deraileur, ultegra shifters on handles? Any help on worth would be great or where to find info!!!