Many people leave their jobs and decide to spend their time traveling. Some fly from place to place, some drive from hotel to hotel, and some get an RV and live on the road for weeks or months at a time. But in these recessionary-times with gas at $4/gal, none of those options seem very economically feasible. So in this time of high prices, global warming and an ever increasingly eco-green environment, what's a newly 'retired' guy to do? Buy a new bicycle, of co...