I haven't downloaded and played with it yet, but going by the feature list it seems perfect for the casual or beginner user, even at $50.
While I don't get the sense that you'll have to upgrade to play with any of the advanced stuff, I think you'll want to upgrade to make your life easier. That's going to be the tough part people are going to have to deal with... Their inner dialog debating whether it's worth the extra $300 to get XSLT support.
-sab