I'm thinking about getting into road biking, I've found two bike that I've been told are very solid bikes. I just can't choose which bike. The first is a used 2005 Felt f-80 56cm( 5'11" and have been told that's about right for my height) it was used for a season and a half the seller said it had about 2000 miles on it and said it was in great shape. He wants $500 the specs are here. The next bike is a new 2008 Schwinn fastback Comp with all Tiagra, the rest of the specs are here they worked the price down to $750 from my local bike shop. however the Schwinn is a 57cm not sure how much difference that truly. So my question is which is the better bike and the better deal and which one would y'all suggest i get. Thanks for the advice and the time