I'm looking to get a hybrid bike for riding to class and getting some exercise. My LBS has a '12 7.1 for $470 and a '10 7.3 for $500. This is my first time purchasing a bike and im not too familiar with all the components so I don't really know if it's worth the extra money for the older model. Also, are there any comprable models by other brands around the same price point? Any insight would be greatly appreciated.