Most web products use a tiered pricing structure. And with such a structure, psychology plays a real part in your offerings. I recommend you take this post into consideration if you’re pricing your new product. I know I will when I finally have something to sell.
As a side not on Nathan Barry, he’s started a series on his Web App Challenge. He’s documenting his attempt to go from not even having a formed idea, to making $5,000 a month in residual income , in only 6 months. I’m definitely going to keep up.