Just wanted to post some information that I monitor from time to time as I have recently made a similar purchase and got some great deals:

Southeast PA:

2011 Trek SC 7.2 in Medium for $1,750 - http://bikeline.com/...cept-7.2-71518-1.htm
2012 Trek SC 7.0 in Medium or Large for $1,725 - http://bikeline.com/...ept-7.0-130940-1.htm

Boston Area:

2012 Cervelo P2 in 61cm for $2,000 - http://www.landrys.com/...-p2-ultegra-2006.htm
2013 Cervelo P2 in 56cm or 58cm for $2,000 - http://www.landrys.com/...ultegra-183564-1.htm
2011 Trek SC 2.5 WSD in Medium for $900 - http://cycleloft.com/...-2.5-wsd-72028-1.htm

I have no affiliation with either of these bike shops (or any for that matter), just wanted to pass along some good deals I've seen.