I think they do want the paid upgrade however I've gotten free updates to a great program since 2009. I have to agree that they have built an awesome tool that is incredibly easy to use.
6 karma · joined October 30, 2012
"However, considering that we need to be able to feed our families, it is likely that 1Password 5 will be sold as a separate paid app, like we did for 1Password 4 in the iOS App Store. We just decided to make 1Password 4 for Mac an exception to this." http://discussions.agilebits.com/discussion/16268/what-shoul...