If I can get the flats under control, my new Giant Defy 2 will pay for itself in 6 to 7 months in gas savings alone. And as others have said, there is no price that can be weighed against the health and sense of well- being that I get when I make my 13 mile daily commute. BTW, I just started a month ago and I'm hooked. At 52, I'm a new bicycle commuter. How strangely wonderful is that?