I am a college commuter who lives about 3 miles from school and 10 from the beach. I have been looking into the trek FX series and I don't know which one will give me the most bang for my buck. I will be using this bike for going to school everyday, biking to the beach, mall, movies etc. For a general sense of the terrain, I live in Irvine, California. I am somewhat budget conscious, but I am also decently flexible. I also don't want to order a bike online so my first store choice would be JAX bike shop in Irvine. Certain models I am looking into are 7.1, 7.2 and 7.3 Thanks!