My new bike
 

I bought that used C-dale. The guy gave me the bike, a new trainer and newer shimano shoes (my size) for 350.
The bike is basically brand new. He rode it a couple of times and then abandoned it in his garage for years.
I did 25 miles on it last night. It is light, shifts crisp and glides as if on glass. A great little bike for a steal.
Thanks to everybody for your advice. I think I got a lot more bike than if I had bought the Raleigh or the one off Bikesdirect.com.

Congrats. I am a huge (both literally and figuratlively, unfortunately) Cannondale fan and think you will enjoy this bike tremendously. For that price it will be hard to go wrong.