I'm sure this situation is very real for you but you exaggerate a little. Most men do not end up in jail for failing to make child support payments. Child support enforcement is a long drawn out process.
Edit: But I could be wrong. I found several anecdotal articles about this subject on the NY Times and elsewhere. Here's a more informative article on the topic http://www.ncsl.org/research/human-services/child-support-an...