The Kalypso Forums have details on plans for a Tropico 3 patch in the next few days to update the dictator simulation to version 1.04. Here's the preliminary change log they provide:

- Fixed multiple issues with the German translation
- Fixed overflow in safty/crime overlay
- Overall performance improvements
- Improved performance on single core CPUs
- Radio system made more robust
- You can no longer build two Secret Police Headquarters
- Subtitles no longer show while in main menu
- Always stop music playback in main menu
- Citizen camera tweaks
- Arrows point at the builders of the selected construction