Try these links to ramp up to 2007 from 2003 much faster...
These are interactive sites that load up a page that looks like the Office 2003 version of the respective application. If you know how to perform a particular task in the 2003 version, simply do those steps. The page automatically switches to the new 2007 interface and demonstrates how to do that same task in the new environment.
Word
Excel
Powerpoint
Access
Outlook
Randy