You have enough money to go new if you wanted to. This bike is Carbon with 10 speed 105 and in your budget (with a warranty)
Diamondback Podium ETAPE Road Bike
As far as CL goes, there are other options in your area....
Trek Lemond Road Bike
This one is a little further away but this Synapse would be a good buy.
2014 Cannondale Synapse 5 105 - Men's 51 cm