Most people looking for a point-and-click notation solution don't need all the powerful tools offered by expensive proprietary solutions such as Sibelius or Finale. The features of MuseScore will meet most requirements, and the page of screenshots will give you a good idea of what's involved.
Best of all, because it's free software under active development, you can help out by reporting any bugs you find, or if it's missing something you'd find useful, you can request new features.
