Nick Bradbury has been blogging about the release of Feeddemon 2. Inclduing why the move from 1.6 to 2.0 and covering the charges.The good news is that v.20 is a free upgrade. From the site:
"Rather than let FeedDemon stagnate, though, we decided to plow ahead with v2.0, and release it as a free upgrade from the current release."