It's been confirmed from the iPhone (and iPod touch) 2.0 SDK release that the software will have:
- The ability to view and edit iWork and Office documents.
- Revamped calculator, adding a scientific mode that's activated by turning the device on its side.
- Pictures found on the web or received by email can be saved.
- Parental controls for the above feature.
- Messages can be moved into folders and deleted in groups.
- Contacts can be searched.
- Support for Asian languages, with character recognition.
- Support for MobileMe (Apple's .Mac online service, now compatible with Mac, Windows and iPhone [and iPod touch], and given a BlackBerry-style push component).
- Apps Store (obviously)
Cost: $10
Source:
http://www.reghardware.co.uk/2008/06/09/apple_ipod_touch_update_charge/