Major automakers Nissan and Toyota have announced the release of new convertibles. These will join the heard of drop-tops sold by Ford, Volkswagen, Chrysler, Mercedes and many others. Why are so many car companies vying for such a small market niche? They’re betting on the “mid-life crisis” and demographics. With boomers reaching the peak of their buying potential and their kids leaving the house, automakers are wagering that many of these people are going to be looking to spend money on something a bit more extravagant. Any boomers out there thinking of a ride that lets in a bit more air? Tell us about it.