I may be wrong here, but sometimes the tech/components that's on newer (this years models, or last years) may be better then the version that's three or four years old... so the top of the line 2007 may be about the same as a mid-level 2010. DH has been eying new(er) road bikes so we've been going over the same things.

Hopefully someone else who's a wrench and more knowledgeable about these things or this specific model's offerings can chime in.

I also like my local shop and included in the price of my bike was life time adjustments. If something just doesn't feel right, I can stop in and the tech takes a look and adjusts for as long as a own the bike. For me being new to bikes and not knowledgeable on the why's something doesn't feel right is worth the peace of mind I can always stop in and drool over the newer bikes while mines being looked at!!!