I love the idea of adding a "read aloud" feature to Logos 4. However, if it had some built in features (besides play and pause), it would succeed in being of actual use in my study. Three major suggestions: (1) Be able to select (by right clicking or highlighting) where to have the voice begin reading. (2) Allow the user to adjust the speed within Logos, rather than depending on the text-to-speech preferences in control panel (these are a pain to change). (3) Be able to select alternative voices pre-installed on one's computer.
Add these tweaks and the text-to-speech could be my new favorite feature and yet another selling point to all my friends!