The following have just been published as part of the SharePoint 2010 RTM release. Happy reading!

SharePoint Server 2010 capacity management: software boundaries and limits
http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=66438e41-5733-448a-bd76-a8052b394fe2

SharePoint Server 2010 performance and capacity technical case studies
http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=9cf4fa6b-4c9c-4fca-b9c9-4a4f724df448

Topologies for SharePoint Server 2010
http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=fd686cbb-8401-4f25-b65e-3ce7aa7dbeab

Services in SharePoint 2010 Products
http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=b9ca7745-ffa4-43ca-a638-e1ad868187ce

SharePoint Server 2010 scripted deployment SPModule .zip file
http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=c57556ff-8df0-44fd-aba6-3df01b9f80ce

Microsoft SharePoint 2010 Indexing Connector for Documentum
http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=32d0980a-4b9a-4b0d-868e-9be9c0d75435