Access Developers-related Presentations
In case you'd like to get some free quasi-training videos, Microsoft is making available some of the videos for the Microsoft Office System Developers Conference 2006. The full list of videos is here. Two of the videos are directly related to Access 2007:
Access 2007: Rich Client Solutions (Microsoft Office System Developers Conference 2006) [~250 MB]
As per the name of the conference, these videos are developer-related. I also recommend going through some of the SharePoint videos in case you're curious as to what it is and its uses. Hey, this is a free video library, so have fun :)
Note that you don't need to download it all at once - you can simply open it using Windows Media Player and see it as it streams down.