We just published an online course for developers to learn about SharePoint 2010. This is updated for RTM. If you have some experience developing with .NET then you can learn SharePoint. The course includes:
If you want to run the Hands on Labs on your own machine we have instructions for installing SharePoint 2010 on Windows 7. Or you can download a SharePoint 2010 hyper-v virtual machine that can be used with the Hands on Labs.