What can we say? We're market-driven.
We didn't get much response the first time we did a travel time add-in for Outlook / OWA, but in the last few months our volume on this has improved so we re-wrote the code.
Our thinking is that we'll keep the version we currently have available for free (it's based on version 1.4 of the Outlook JavaScript API) while we work on a more full-featured version for the enterprise..
Want to try it out -- contact us.