Personally, I wouldn't buy either of those bikes.
The Trek retails for $4620. For that kind of cash, you can do much better. My LBS is selling 2009 Specialized Roubaix Pro framesets for $1700. Do what I did and by an SRAM Force build kit from GVH bikes that includes Red shifters, Red brakes, Red crank, Red rear derailleur, and OG-1090R chain for $1250. Make reasonable selections for bars, stem, tape, seapost, tires, headset and pedals and the price goes to $1600. Or get a Dura-Ace 7800 gruppo for about the same price. Recycle the saddle from your current bike. Then snag a set of 1550g Easton EA90 SL wheels from eBay, using 25% cashback from live.com, for $400 net. That's a total of $3700 by my calculations.
That's one Hell of a bike and lots of cash left over to play around with: upgrade to 1400g EA90 SLX wheels for an additional $125, or get Reynolds Attack carbon fiber wheels for an additional $250. Snag a Cervelo RS frame for an additional $500 or a Pinarello F4:13 for another $750...