[chrismeyer_]

The whole logic is flawed for these reasons :

1) He was able to build a product that sold for 34k bucks in a year in 1990, at that time the software market wasn't nearly as saturated as it is today. 2) It won't simply be possible today, with the number of freewares, opensource projects,piracy,warez, etc., available to do any kind of task. 3) Therefore it is much more harder to find products to develop that would find and hit successfully a real shareware market

As a personal note, i suggest you to focus on the mobile market apps, especially for iphone and android, that will become huge. That's my 2 cents. But i would bet two hundred bucks that i am not wrong with this prediction.