OK, updated to v1.8, tested, and purchased all 3. It keeps getting better!
One suggestion though. I think you need to add some sort of in-app documentation, particularly for the benefit of people who were not around for earlier version of the app. Even an in-app link back to the Quick Start guide on your website would suffice (if it were up to date).
Help yourself while helping me: Sign up with Dropbox and we both get 250MB extra space. Thanx!