I was interested to see what all the SQL codenames were
Sphinx - SQL Server 7.0
Plato - SQL Server 7.0 OLAP Services
Shiloh - SQL Server 2000
Liberty - SQL Server 2000 (64-bit)
Rosetta - SQL Server Reporting Services
Yukon - SQL Server 2005
Katmai - SQL Server 2008
Kilimanjaro - SQL Server 2008 R2
Madison - Microsoft SQL Server 2008 R2 Parallel Data Warehouse
Bulldog - SQL Server 2008 R2 Master Data Services (Master Data Management)