As announced by Bill Bauer: SQL Server 2008 R2 Enterprise Edition and SharePoint Server 2010 Better Together Whitepaper. Great paper written for SharePoint 2010 but totally applicable to Project Server 2010. If you want to experience for instance the power of SQL Server 2008 R2 along side SharePoint and Project Server 2010, download the RTM demo virtual machine: Microsoft Project Server 2010 RTM Demo Virtual Machine is Ready for Download