Today at Tech Ed North America 2009 we have officially announced the new name for SQL Server code-named Kilimanjaro.
The official name will be: SQL Server 2008 R2!

More information can be found @ and the "official" announcement can be found @

Also read the official press announcement @

"Finally, Microsoft announced that a Community Technology Preview of Microsoft SQL Server 2008 R2 (formerly SQL Server code-named “Kilimanjaro”) will be available in the second half of 2009. SQL Server 2008 R2 will empower end users to make better decisions through self-service business intelligence, and help IT drive greater efficiency and reduce costs through new capabilities such as multi-server management and Master Data Services. In 2010, Microsoft will also introduce complex event processing for real-time insight into streaming information. This builds on the outstanding value of SQL Server 2008, which already provides some customers with as much as a 160 percent return on their investment.*"