Do the tutorial at http://railstutorial.org. It's SO important for the non-technical folks to at least be able to whip up an app on occasion, to be able to hire technical people effectively, to communicate your needs effectively, etc.
Drupal is fine for a prototype, and your partner may want to cut his teeth on it because he just enjoys learning new technologies. What technologies is he familiar with?
Drupal is fine for a prototype, and your partner may want to cut his teeth on it because he just enjoys learning new technologies. What technologies is he familiar with?