In future community technology previews (CTPs), use this forum to file questions and discussions about how Analysis Services works in SQL Server code-named "Denali."
For CTP1, the
What's New (Analysis Services) topic in Books Online states that...
...Microsoft SQL Server code-named "Denali" Analysis Services contains no new features or enhancements. In CTP1, Analysis Services, PowerPivot for SharePoint, and Data Mining are offered at the same functional level as SQL Server 2008 R2. To learn more
about the many new features added in SQL Server 2008 R2, see What’s New in SQL Server 2008 R2 on the Microsoft web site.