The Documentation about SharePoint 2010 and RBS on Technet has been updated recently. You can find the links to the updated articles below:
SharePoint Foundation 2010
- Overview of RBS (SharePoint Foundation 2010)
- Plan for RBS (SharePoint Foundation 2010)
- Install and configure RBS (SharePoint Foundation 2010)
SharePoint Server 2010
- Overview of RBS (SharePoint Server 2010)
- Plan for RBS (SharePoint Server 2010)
- Install and configure RBS (SharePoint Server 2010)