hey vicious cycle, "but what if you need a car again" is a question easily answered if you have a car-share service in your city. I think Chicago has either Flexcar or Zipcar. We had City Carshare in Oakland and now we use Flexcar in Portland. It's just dandy. Check it out.

ok, actually I just looked...looks like Flexcar uses a non-profit in Chicago to do car-sharing...very interesting.

http://www.flexcarnetwork.com/chicago-i-go/default.asp

so there's the answer to that question. And put the insurance money toward more bikes.!