buying kit set of beginer model is recommended. Because the price of body is just about $500 lower than the kit set. You can sold the kit lens later in dc()ever later in higher price. Anyway, if you do not hope for a standard photo, 18-55 can still allow you to capture buses in many spot. a few non standard photo using canon18-55IS http://333.fotoc.com/horta/d/3382-1/hv8124.jpg http://333.fotoc.com/horta/d/3388-1/nd2420.jpg